SIGNIFICANT ACCOUNTING POLICIES	9 Months Ended
Mar. 31, 2017
Accounting Policies [Abstract]
SIGNIFICANT ACCOUNTING POLICIES	(2) SIGNIFICANT ACCOUNTING POLICIES There have been no material changes to the Company's significant accounting policies as described in the 2016 Annual Report. Recently Adopted Accounting Standards In March 2016, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") No. 2016-09, Compensation - Stock Compensation (Topic 718), Improvements to Employee Share-Based Payment Accounting, which is intended to simplify the accounting for employee share-based payments. The amendments in this updated guidance include changes to simplify the accounting for share-based payment transactions, including the income tax consequences, classification of such share-based awards as either equity or liabilities and classification in the statement of cash flows. The Company early-adopted the standard effective July 1, 2016, using the prospective approach. Pursuant to the guidance, the Company recognized gross excess tax benefits of approximately $9.1 million ($3.6 million tax effected) during the three months ended September 30, 2016, which were fully offset by a valuation allowance at PHSI, the Company's consolidated subsidiary. No adjustments were made to prior periods, and the impact on prior periods would have been immaterial. All excess tax benefits related to share-based awards are reported as operating activities within the accompanying condensed consolidated statement of cash flows. In addition, the Company calculated diluted earnings per share without consideration of any tax benefits in determining dilutive shares. In August 2015, the FASB issued ASU 2015-15, Presentation and Subsequent Measurement of Debt Issuance Costs Associated with Line-of-Credit Arrangements, which clarifies the SEC staff's position in ASU 2015-03 on presenting and measuring debt issuance costs incurred in connection with line-of-credit arrangements given the lack of guidance on this topic in ASU 2015-03, Interest-Imputation of Interest: Simplifying the Presentation of Debt Issuance Costs. ASU 2015-15 states that the SEC staff would "not object to an entity deferring and presenting debt issuance costs as an asset and subsequently amortizing the deferred debt issuance costs ratably over the term of the line-of-credit arrangement." The Company adopted the standard effective July 1, 2016 using the retrospective approach. The guidance had no impact on the Company's accounting for debt issuance costs associated with its line of credit. In February 2015, the FASB issued ASU 2015-02, Consolidation (Topic 810): Amendments to the Consolidation Analysis, which effectively eliminated the presumption that a general partner should consolidate a limited partnership, modified the evaluation of whether limited partnerships and similar legal entities are VIEs or voting interest entities, and affected the consolidation analysis of reporting entities that are involved with VIEs (particularly those that have fee arrangements and related party relationships). The Company adopted the standard effective July 1, 2016 using the modified retrospective approach. The adoption of ASU 2015-02 did not impact the Company's conclusions regarding consolidation or the consolidated financial statements other than providing additional disclosures around Premier's consolidation of Premier LP. As a result of ASU 2015-02, the Company no longer consolidates Premier LP under the presumption that the general partner controls a limited partnership but rather consolidates Premier LP under the Variable Interest Model. Premier LP meets the definition of a VIE as the limited partners do not have the ability to exercise a substantive removal right with respect to the general partner, Premier GP. Additionally, the Company, through Premier GP, has the exclusive power and authority to manage the business and affairs of Premier LP, to make all decisions with respect thereto driving the economic performance of Premier LP, and has both an obligation to absorb losses and a right to receive benefits. Recently Issued Accounting Standards Not Yet Adopted In January 2017, the FASB issued ASU 2017-04, Intangibles - Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment, which eliminates Step 2 from the goodwill impairment test. The guidance requires an entity to perform its annual, or interim, goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount. An entity should recognize an impairment charge for the amount by which the carrying amount exceeds the reporting unit’s fair value. In addition, the guidance eliminates the requirement for any reporting unit with a zero or negative carrying amount to perform a qualitative assessment. The standard is effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years. The new standard will be effective for the Company for the fiscal year beginning July 1, 2020. Early adoption is permitted for interim and annual goodwill impairment tests performed after January 1, 2017. The Company is currently evaluating the impact of the adoption of the new standard on its consolidated financial statements and related disclosures. In October 2016, the FASB issued ASU 2016-16, Income Taxes (Topic 740): Intra-Entity Transfers of Assets Other Than Inventory, which removes the prohibition in ASC 740 against the immediate recognition of the current and deferred income tax effects of intra-entity transfers of assets other than inventory. The guidance is intended to reduce the complexity of GAAP and diversity in practice related to the tax consequences of certain types of intra-entity asset transfers, particularly those involving intellectual property. The standard is effective for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. The new standard will be effective for the Company for the fiscal year beginning July 1, 2018. Early adoption is permitted. The Company is currently evaluating the impact of the adoption of the new standard on its consolidated financial statements and related disclosures. In August 2016, the FASB issued ASU 2016-15, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments, which amends the guidance in ASC 230 on the classification of certain cash receipts and payments in the statement of cash flows. The primary purpose of the ASU is to reduce the diversity in practice that has resulted from the lack of consistent principles on this topic. The ASU amendments add or clarify guidance on eight cash flow issues. The standard is effective for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. The new standard will be effective for the Company for the fiscal year beginning July 1, 2018. Early adoption is permitted. The Company is currently evaluating the impact of the adoption of the new standard on its consolidated financial statements and related disclosures. In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842), which is intended to increase transparency and comparability among organizations of accounting for leasing arrangements. This guidance establishes a right-of-use model that requires a lessee to record a right-of-use asset and a lease liability on the balance sheet for all leases with terms longer than twelve months. Leases will be classified as either finance or operating, with classification affecting the pattern of expense recognition in the income statement. Entities will be required to recognize and measure leases as of the earliest period presented using a modified retrospective approach. The standard is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. The new standard will be effective for the Company for the fiscal year beginning July 1, 2019. Early adoption is permitted. The Company is currently evaluating the impact of the adoption of the new standard on its consolidated financial statements and related disclosures. In January 2016, the FASB issued ASU 2016-01, Financial Instruments-Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities, which is intended to provide users of financial statements with more useful information on the recognition, measurement, presentation, and disclosure of financial instruments. The standard is effective for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. The new standard will be effective for the Company for the fiscal year beginning July 1, 2018. Early adoption is permitted for certain amendments. The Company is currently evaluating the impact of the adoption of the new standard on its consolidated financial statements and related disclosures. In July 2015, the FASB issued ASU 2015-11, Inventory (Topic 330): Simplifying the Measurement of Inventory, which requires entities to measure most inventory "at the lower of cost and net realizable value," thereby simplifying the current guidance under which an entity must measure inventory at the lower of cost or market. This guidance will not apply to inventories that are measured by using either the last-in, first-out method or the retail inventory method. The new standard will be effective prospectively for fiscal years beginning after December 15, 2016, including interim periods within those fiscal years. The new standard will be effective for the Company for the fiscal year beginning July 1, 2017. Upon transition, entities must disclose the nature of and reason for the accounting change. We do not expect the adoption of the new standard to have a material impact on our consolidated financial statements and related disclosures. In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers (Topic 606), which will supersede nearly all existing revenue recognition guidance. The new standard requires revenue to be recognized when promised goods or services are transferred to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The new standard also requires additional disclosures about the nature, amount, timing and uncertainty of revenue and cash flows arising from customer contracts, including significant judgments and changes in judgments and assets recognized from costs incurred to obtain or fulfill a contract. The new standard allows for either full retrospective or modified retrospective adoption. The FASB subsequently issued an amendment in ASU 2015-14, Revenue from Contracts with Customers (Topic 606): Deferral of the Effective Date, in August 2015 to defer the effective date of the new standard for all entities by one year. The new standard, as amended, will be effective for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. Early adoption as of the original effective date for public entities will be permitted. The FASB issued another amendment in ASU 2016-08, Revenue from Contracts with Customers (Topic 606): Principal versus Agent Considerations, in March 2016 related to a third party providing goods or services to a customer. When another party is involved in providing goods or services to a customer, an entity is required to determine whether the nature of its promise is to provide the specified good or service itself or to arrange for the good or service to be provided by a third party. If the entity provides the specific good or service itself, the entity acts as a principal. If an entity arranges for the good or service to be provided by a third party, the entity acts as an agent. The standard requires the principal to recognize revenue for the gross amount and the agent to recognize revenue for the amount of any fee or commission for which it expects to be entitled in exchange for arranging for the specified good or service to be provided. The new standard will be effective with ASU 2014-09. In April 2016, the FASB issued ASU 2016-10, Revenue from Contracts with Customers (Topic 606): Identifying Performance Obligations and Licensing, which amends specific aspects of ASU 2014-09, including how to identify performance obligations and guidance related to licensing implementation. This amendment provides guidance on determining whether an entity's promise to grant a license provides a customer with either a right to use the entity's intellectual property or a right to access the entity's intellectual property. The amendment will be effective with ASU 2014-09. In May 2016, the FASB issued ASU 2016-12, Revenue from Contracts with Customers (Topic 606): Narrow-Scope Improvements and Practical Expedients, which clarifies specific aspects of ASU 2014-09, clarifying how to identify performance obligations and guidance related to its promise in granting a license of intellectual property. This new standard provides guidance to allow entities to disregard items that are immaterial in the context of the contract, clarify when a promised good or service is separately identifiable and allow an entity to elect to account for the cost of shipping and handling performed after control of a good has been transferred to the customer as a fulfillment cost. The new standard also clarifies how an entity should evaluate the nature of its promise in granting a license of intellectual property to help determine whether it recognizes revenue over time or at a point in time and addresses how entities should consider license renewals and restrictions. The new standard will be effective with ASU 2014-09. In December 2016, the FASB issued ASU 2016-20, Technical Corrections and Improvements to Topic 606: Revenue from Contracts with Customers, which clarifies specific aspects of ASU 2014-09, including allowing entities not to make quantitative disclosures about remaining performance obligations in certain cases and requiring entities that use any of the new or previously existing optional exemptions to expand their qualitative disclosures. The new standard also makes twelve other technical corrections and modifications to ASU 2014-09. The new standard will be effective with ASU 2014-09. The new revenue recognition standards discussed above, as amended, will be effective for the Company for the fiscal year beginning July 1, 2018. The Company is currently evaluating the transition method that will be elected as well as the impact of the adoption of the new standards on its consolidated financial statements and related disclosures. Additionally, we are evaluating the potential impacts on our revenue contracts and identifying appropriate changes to our business processes, systems and controls to support revenue recognition and disclosure requirements under the new standard.

(2) SIGNIFICANT ACCOUNTING POLICIES

There have been no material changes to the Company's significant accounting policies as described in the 2016 Annual Report.

Recently Adopted Accounting Standards

In March 2016, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") No. 2016-09, Compensation - Stock Compensation (Topic 718), Improvements to Employee Share-Based Payment Accounting, which is intended to simplify the accounting for employee share-based payments. The amendments in this updated guidance include changes to simplify the accounting for share-based payment transactions, including the income tax consequences, classification of such share-based awards as either equity or liabilities and classification in the statement of cash flows. The Company early-adopted the standard effective July 1, 2016, using the prospective approach. Pursuant to the guidance, the Company recognized gross excess tax benefits of approximately $9.1 million ($3.6 million tax effected) during the three months ended September 30, 2016, which were fully offset by a valuation allowance at PHSI, the Company's consolidated subsidiary. No adjustments were made to prior periods, and the impact on prior periods would have been immaterial. All excess tax benefits related to share-based awards are reported as operating activities within the accompanying condensed consolidated statement of cash flows. In addition, the Company calculated diluted earnings per share without consideration of any tax benefits in determining dilutive shares.

In August 2015, the FASB issued ASU 2015-15, Presentation and Subsequent Measurement of Debt Issuance Costs Associated with Line-of-Credit Arrangements, which clarifies the SEC staff's position in ASU 2015-03 on presenting and measuring debt issuance costs incurred in connection with line-of-credit arrangements given the lack of guidance on this topic in ASU 2015-03, Interest-Imputation of Interest: Simplifying the Presentation of Debt Issuance Costs. ASU 2015-15 states that the SEC staff would "not object to an entity deferring and presenting debt issuance costs as an asset and subsequently amortizing the deferred debt issuance costs ratably over the term of the line-of-credit arrangement." The Company adopted the standard effective July 1, 2016 using the retrospective approach. The guidance had no impact on the Company's accounting for debt issuance costs associated with its line of credit.

In February 2015, the FASB issued ASU 2015-02, Consolidation (Topic 810): Amendments to the Consolidation Analysis, which effectively eliminated the presumption that a general partner should consolidate a limited partnership, modified the evaluation of whether limited partnerships and similar legal entities are VIEs or voting interest entities, and affected the consolidation analysis of reporting entities that are involved with VIEs (particularly those that have fee arrangements and related party relationships). The Company adopted the standard effective July 1, 2016 using the modified retrospective approach. The adoption of ASU 2015-02 did not impact the Company's conclusions regarding consolidation or the consolidated financial statements other than providing additional disclosures around Premier's consolidation of Premier LP. As a result of ASU 2015-02, the Company no longer consolidates Premier LP under the presumption that the general partner controls a limited partnership but rather consolidates Premier LP under the Variable Interest Model. Premier LP meets the definition of a VIE as the limited partners do not have the ability to exercise a substantive removal right with respect to the general partner, Premier GP. Additionally, the Company, through Premier GP, has the exclusive power and authority to manage the business and affairs of Premier LP, to make all decisions with respect thereto driving the economic performance of Premier LP, and has both an obligation to absorb losses and a right to receive benefits.

Recently Issued Accounting Standards Not Yet Adopted

In January 2017, the FASB issued ASU 2017-04, Intangibles - Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment, which eliminates Step 2 from the goodwill impairment test. The guidance requires an entity to perform its annual, or interim, goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount. An entity should recognize an impairment charge for the amount by which the carrying amount exceeds the reporting unit’s fair value. In addition, the guidance eliminates the requirement for any reporting unit with a zero or negative carrying amount to perform a qualitative assessment. The standard is effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years. The new standard will be effective for the Company for the fiscal year beginning July 1, 2020. Early adoption is permitted for interim and annual goodwill impairment tests performed after January 1, 2017. The Company is currently evaluating the impact of the adoption of the new standard on its consolidated financial statements and related disclosures.

In October 2016, the FASB issued ASU 2016-16, Income Taxes (Topic 740): Intra-Entity Transfers of Assets Other Than Inventory, which removes the prohibition in ASC 740 against the immediate recognition of the current and deferred income tax effects of intra-entity transfers of assets other than inventory. The guidance is intended to reduce the complexity of GAAP and diversity in practice related to the tax consequences of certain types of intra-entity asset transfers, particularly those involving intellectual property. The standard is effective for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. The new standard will be effective for the Company for the fiscal year beginning July 1, 2018. Early adoption is permitted. The Company is currently evaluating the impact of the adoption of the new standard on its consolidated financial statements and related disclosures.

In August 2016, the FASB issued ASU 2016-15, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments, which amends the guidance in ASC 230 on the classification of certain cash receipts and payments in the statement of cash flows. The primary purpose of the ASU is to reduce the diversity in practice that has resulted from the lack of consistent principles on this topic. The ASU amendments add or clarify guidance on eight cash flow issues. The standard is effective for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. The new standard will be effective for the Company for the fiscal year beginning July 1, 2018. Early adoption is permitted. The Company is currently evaluating the impact of the adoption of the new standard on its consolidated financial statements and related disclosures.

In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842), which is intended to increase transparency and comparability among organizations of accounting for leasing arrangements. This guidance establishes a right-of-use model that requires a lessee to record a right-of-use asset and a lease liability on the balance sheet for all leases with terms longer than twelve months. Leases will be classified as either finance or operating, with classification affecting the pattern of expense recognition in the income statement. Entities will be required to recognize and measure leases as of the earliest period presented using a modified retrospective approach. The standard is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. The new standard will be effective for the Company for the fiscal year beginning July 1, 2019. Early adoption is permitted. The Company is currently evaluating the impact of the adoption of the new standard on its consolidated financial statements and related disclosures.

In January 2016, the FASB issued ASU 2016-01, Financial Instruments-Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities, which is intended to provide users of financial statements with more useful information on the recognition, measurement, presentation, and disclosure of financial instruments. The standard is effective for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. The new standard will be effective for the Company for the fiscal year beginning July 1, 2018. Early adoption is permitted for certain amendments. The Company is currently evaluating the impact of the adoption of the new standard on its consolidated financial statements and related disclosures.

In July 2015, the FASB issued ASU 2015-11, Inventory (Topic 330): Simplifying the Measurement of Inventory, which requires entities to measure most inventory "at the lower of cost and net realizable value," thereby simplifying the current guidance under which an entity must measure inventory at the lower of cost or market. This guidance will not apply to inventories that are measured by using either the last-in, first-out method or the retail inventory method. The new standard will be effective prospectively for fiscal years beginning after December 15, 2016, including interim periods within those fiscal years. The new standard will be effective for the Company for the fiscal year beginning July 1, 2017. Upon transition, entities must disclose the nature of and reason for the accounting change. We do not expect the adoption of the new standard to have a material impact on our consolidated financial statements and related disclosures.

In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers (Topic 606), which will supersede nearly all existing revenue recognition guidance. The new standard requires revenue to be recognized when promised goods or services are transferred to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The new standard also requires additional disclosures about the nature, amount, timing and uncertainty of revenue and cash flows arising from customer contracts, including significant judgments and changes in judgments and assets recognized from costs incurred to obtain or fulfill a contract. The new standard allows for either full retrospective or modified retrospective adoption.

The FASB subsequently issued an amendment in ASU 2015-14, Revenue from Contracts with Customers (Topic 606): Deferral of the Effective Date, in August 2015 to defer the effective date of the new standard for all entities by one year. The new standard, as amended, will be effective for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. Early adoption as of the original effective date for public entities will be permitted.

The FASB issued another amendment in ASU 2016-08, Revenue from Contracts with Customers (Topic 606): Principal versus Agent Considerations, in March 2016 related to a third party providing goods or services to a customer. When another party is involved in providing goods or services to a customer, an entity is required to determine whether the nature of its promise is to provide the specified good or service itself or to arrange for the good or service to be provided by a third party. If the entity provides the specific good or service itself, the entity acts as a principal. If an entity arranges for the good or service to be provided by a third party, the entity acts as an agent. The standard requires the principal to recognize revenue for the gross amount and the agent to recognize revenue for the amount of any fee or commission for which it expects to be entitled in exchange for arranging for the specified good or service to be provided. The new standard will be effective with ASU 2014-09.

In April 2016, the FASB issued ASU 2016-10, Revenue from Contracts with Customers (Topic 606): Identifying Performance Obligations and Licensing, which amends specific aspects of ASU 2014-09, including how to identify performance obligations and guidance related to licensing implementation. This amendment provides guidance on determining whether an entity's promise to grant a license provides a customer with either a right to use the entity's intellectual property or a right to access the entity's intellectual property. The amendment will be effective with ASU 2014-09.

In May 2016, the FASB issued ASU 2016-12, Revenue from Contracts with Customers (Topic 606): Narrow-Scope Improvements and Practical Expedients, which clarifies specific aspects of ASU 2014-09, clarifying how to identify performance obligations and guidance related to its promise in granting a license of intellectual property. This new standard provides guidance to allow entities to disregard items that are immaterial in the context of the contract, clarify when a promised good or service is separately identifiable and allow an entity to elect to account for the cost of shipping and handling performed after control of a good has been transferred to the customer as a fulfillment cost. The new standard also clarifies how an entity should evaluate the nature of its promise in granting a license of intellectual property to help determine whether it recognizes revenue over time or at a point in time and addresses how entities should consider license renewals and restrictions. The new standard will be effective with ASU 2014-09.

In December 2016, the FASB issued ASU 2016-20, Technical Corrections and Improvements to Topic 606: Revenue from Contracts with Customers, which clarifies specific aspects of ASU 2014-09, including allowing entities not to make quantitative disclosures about remaining performance obligations in certain cases and requiring entities that use any of the new or previously existing optional exemptions to expand their qualitative disclosures. The new standard also makes twelve other technical corrections and modifications to ASU 2014-09. The new standard will be effective with ASU 2014-09.

The new revenue recognition standards discussed above, as amended, will be effective for the Company for the fiscal year beginning July 1, 2018. The Company is currently evaluating the transition method that will be elected as well as the impact of the adoption of the new standards on its consolidated financial statements and related disclosures. Additionally, we are evaluating the potential impacts on our revenue contracts and identifying appropriate changes to our business processes, systems and controls to support revenue recognition and disclosure requirements under the new standard.