Intangible Assets - Carrying Value of Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Intangible Assets [Line Items]
Intangible assets, Gross carrying amount	$ 626,836	$ 491,768
Finite-lived intangible assets, Gross Carrying Amount	515,115	394,762
Finite-lived intangible assets, Accumulated amortization	(165,544)	(114,792)
Intangible assets, Net carrying amount	461,292	376,976	428,273
Finite-lived intangible assets, Net carrying amount	349,571us-gaap_FiniteLivedIntangibleAssetsNet	279,970us-gaap_FiniteLivedIntangibleAssetsNet
Goodwill, Gross carrying amount	943,374us-gaap_GoodwillGross	773,048us-gaap_GoodwillGross
Goodwill, Accumulated amortization	0	0
Goodwill, Net carrying amount	943,374us-gaap_Goodwill	773,048us-gaap_Goodwill	778,708us-gaap_Goodwill
Indefinite-Lived Trademarks Not Subject to Amortization [Member]
Intangible Assets [Line Items]
Indefinite-lived intangible assets, Carrying amount	111,721	97,006
Indefinite lived intangible assets, Accumulated amortization	0	0
Indefinite-lived intangible assets, Carrying amount	111,721	97,006
Trademarks [Member]
Intangible Assets [Line Items]
Finite-lived intangible assets, Gross Carrying Amount	19,438	7,151
Finite-lived intangible assets, Accumulated amortization	(3,687)	(1,033)
Finite-lived intangible assets, Net carrying amount	15,751	6,118
Trademarks [Member] \| Indefinite-Lived Trademarks Not Subject to Amortization [Member]
Intangible Assets [Line Items]
Indefinite-lived intangible assets, Carrying amount	103,040	92,010
Indefinite lived intangible assets, Accumulated amortization	0	0
Indefinite-lived intangible assets, Carrying amount	103,040	92,010
In-Process/Service Research and Development [Member]
Intangible Assets [Line Items]
Finite-lived intangible assets, Gross Carrying Amount	10,340	6,549
Finite-lived intangible assets, Accumulated amortization	(2,777)	(1,124)
Finite-lived intangible assets, Net carrying amount	7,563	5,425
In-Process/Service Research and Development [Member] \| Indefinite-Lived Trademarks Not Subject to Amortization [Member]
Intangible Assets [Line Items]
Indefinite-lived intangible assets, Carrying amount	8,681	4,996
Indefinite lived intangible assets, Accumulated amortization	0	0
Indefinite-lived intangible assets, Carrying amount	8,681	4,996
Customer Relationships [Member]
Intangible Assets [Line Items]
Finite-lived intangible assets, Gross Carrying Amount	261,914	198,522
Finite-lived intangible assets, Accumulated amortization	(46,457)	(35,981)
Finite-lived intangible assets, Net carrying amount	215,457	162,541
Developed Technology [Member]
Intangible Assets [Line Items]
Finite-lived intangible assets, Gross Carrying Amount	213,017	174,106
Finite-lived intangible assets, Accumulated amortization	(102,996)	(68,233)
Finite-lived intangible assets, Net carrying amount	110,021	105,873
Backlog [Member]
Intangible Assets [Line Items]
Finite-lived intangible assets, Gross Carrying Amount	10,406	8,434
Finite-lived intangible assets, Accumulated amortization	(9,627)	(8,421)
Finite-lived intangible assets, Net carrying amount	$ 779	$ 13

Indefinite lived intangible assets, excluding goodwill, accumulated amortization.

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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)

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

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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

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- Definition

Amount before 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.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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Amount of accumulated impairment loss for 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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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Amount before accumulated amortization of intangible assets, excluding goodwill.

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No definition available.

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- Definition

Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

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

-Publisher FASB

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-SubTopic 30

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