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No definition available.

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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-Publisher FASB
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-Topic 350
-SubTopic 30
-Section 50
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
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- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

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-Publisher FASB
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- Definition

Amount of assets acquired at the acquisition date.

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- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

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- Definition

Amount of liabilities assumed at the acquisition date.

+ References

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- Definition

Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

+ References

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Business Acquisitions and Divestitures - Additional Information (Detail) - USD ($) $ in Thousands		2 Months Ended
	Jan. 08, 2016	Apr. 30, 2018	Jan. 31, 2018	Mar. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Business Acquisition [Line Items]
Goodwill				$ 1,055,737	$ 1,038,346	$ 1,057,214
Strategic Sourcing Excellence LLC
Business Acquisition [Line Items]
Ownership percentage acquired	51.00%
Cash consideration to acquired certain assets and assumed certain liabilities	$ 2,550
Contingent earn-out consideration-High end	20,000
Acquisition related cost	164
Acquired assets	327
Liabilities assumed	617
Preliminary estimated purchase consideration	14,490
Customer related intangible assets	$ 300
Acquired intangible assets, weighted average amortization period	5 years
Goodwill	$ 14,479
Strategic Sourcing Excellence LLC \| If either the call or put option is exercised
Business Acquisition [Line Items]
Equity method investment ownership percentage	49.00%
Strategic Sourcing Excellence LLC \| If either the call or put option is exercised \| Maximum
Business Acquisition [Line Items]
Contingent earn-out consideration-High end	$ 9,800
Strategic Sourcing Excellence LLC \| Call Option \| Scenario, Forecast
Business Acquisition [Line Items]
Equity method investment ownership percentage			49.00%
Strategic Sourcing Excellence LLC \| Selling Equityholders Put Option \| Scenario, Forecast
Business Acquisition [Line Items]
Equity method investment ownership percentage		49.00%
Strategic Sourcing Excellence LLC \| Selling Equityholders Put Option \| Scenario, Forecast \| Maximum
Business Acquisition [Line Items]
Selling equity holders put option exercise price		$ 2,950
Strategic Sourcing Excellence LLC \| Selling Equityholders Put Option \| Scenario, Forecast \| Minimum
Business Acquisition [Line Items]
Selling equity holders put option exercise price		$ 2,450