Intangible Assets Acquired Either Individually or with Group of Other Assets or in Business Combination (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 394,011	$ 391,513
Accumulated amortization	304,363	292,911
Net	89,648	98,601
Customer-Related Intangible Assets
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	320,177	319,035
Accumulated amortization	252,899	247,463
Net	67,278	71,572
Marketing-Related Intangible Assets
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	42,697	42,749
Accumulated amortization	27,763	27,021
Net	14,934	15,728
Other Intangible Assets
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	31,137	29,729
Accumulated amortization	23,701	18,427
Net	$ 7,436	$ 11,301

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.

No definition available.

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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