Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities:
Net income	$ 48,972us-gaap_NetIncomeLoss	$ 54,684us-gaap_NetIncomeLoss
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	8,050us-gaap_DepreciationAndAmortization	5,391us-gaap_DepreciationAndAmortization
Amortization of debt issuance costs	223us-gaap_AmortizationOfFinancingCosts	238us-gaap_AmortizationOfFinancingCosts
Provision for doubtful accounts	(2,120)us-gaap_ProvisionForDoubtfulAccounts	5,469us-gaap_ProvisionForDoubtfulAccounts
Share-based compensation	4,740us-gaap_ShareBasedCompensation	3,807us-gaap_ShareBasedCompensation
Deferred income taxes	4,910	10,981
Excess tax benefits from share-based payment arrangements	(260)	(982)
Change in fair value of contingent consideration	1,262	2,218
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	23,044	13,340
Inventories	23,759us-gaap_IncreaseDecreaseInInventories	(74,461)us-gaap_IncreaseDecreaseInInventories
Prepaid expenses and other assets	(140)	(2,924)
Other non-current assets	384	3,790
Accounts payable	(78,497)	12,404
Accrued expenses and other liabilities	(1,359)	(2,817)
Income taxes payable	(5,831)	1,532
Net cash provided by (used in) operating activities	27,137	32,670
Cash flows from investing activities:
Capital expenditures	(19,854)	(6,785)
Cash paid for business acquisitions, net of cash acquired	(59,740)	0
Net cash provided by (used in) investing activities	(79,594)	(6,785)
Cash flows from financing activities:
Borrowings (repayments) on short-term borrowings, net	(27,952)	0
Borrowings on revolving credit	93,579	0
Repayments on revolving credit	(93,579)	0
Debt issuance costs	0us-gaap_PaymentsOfDebtIssuanceCosts	(468)us-gaap_PaymentsOfDebtIssuanceCosts
Repayments on long-term debt	(318)us-gaap_RepaymentsOfLongTermDebt	0us-gaap_RepaymentsOfLongTermDebt
Repayments on capital lease obligation	(201)	0
Contingent consideration payments	(5,640)	(3,793)
Exercise of stock options	379	12,152
Repurchase of common stock	(2,694)	0
Excess tax benefits from share-based payment arrangements	260	982
Net cash provided by (used in) financing activities	(36,166)	8,873
Effect of exchange rate changes on cash and cash equivalents	(12,650)	640
Increase (decrease) in cash and cash equivalents	(101,273)	35,398
Cash and cash equivalents at beginning of period	194,851	148,164
Cash and cash equivalents at end of period	$ 93,578	$ 183,562

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

+ Details

Name:	us-gaap_RepaymentsOfLongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

+ References

+ Details

Name:	us-gaap_RepaymentsOfLongTermLinesOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration