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Intangible Assets - Carrying Value of Intangible Assets (Detail) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
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Intangible Assets [Line Items] |  |  |
Intangible assets, Gross carrying amount | $ 912,625 | $ 626,836 |
Finite-lived intangible assets, Gross Carrying Amount | 772,604 | 515,115 |
Finite-lived intangible assets, Accumulated amortization | (256,754) | (165,544) |
Intangible assets, Net carrying amount | 655,871 | 461,292 | $ 376,976
Finite-lived intangible assets, Net carrying amount | 515,850 | 349,571 |
Goodwill, Gross carrying amount | 1,385,115 | 943,374 |
Goodwill, Accumulated amortization | 0 | 0 |
Goodwill, Net carrying amount | 1,385,115 | 943,374 | $ 773,048
Indefinite-Lived Trademarks Not Subject to Amortization [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Indefinite-lived intangible assets, Carrying amount | 140,021 | 111,721 |
Indefinite lived intangible assets, Accumulated amortization | 0 | 0 |
Indefinite-lived intangible assets, Carrying amount | 140,021 | 111,721 |
Trademarks [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, Gross Carrying Amount | 19,417 | 19,438 |
Finite-lived intangible assets, Accumulated amortization | (7,255) | (3,687) |
Finite-lived intangible assets, Net carrying amount | 12,162 | 15,751 |
Trademarks [Member] | Indefinite-Lived Trademarks Not Subject to Amortization [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Indefinite-lived intangible assets, Carrying amount | 129,671 | 103,040 |
Indefinite lived intangible assets, Accumulated amortization | 0 | 0 |
Indefinite-lived intangible assets, Carrying amount | 129,671 | 103,040 |
In-Process/Service Research and Development [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, Gross Carrying Amount | 14,238 | 10,340 |
Finite-lived intangible assets, Accumulated amortization | (4,723) | (2,777) |
Finite-lived intangible assets, Net carrying amount | 9,515 | 7,563 |
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 | 10,350 | 8,681 |
Indefinite lived intangible assets, Accumulated amortization | 0 | 0 |
Indefinite-lived intangible assets, Carrying amount | 10,350 | 8,681 |
Customer Relationships [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, Gross Carrying Amount | 309,573 | 261,914 |
Finite-lived intangible assets, Accumulated amortization | (61,641) | (46,457) |
Finite-lived intangible assets, Net carrying amount | 247,932 | 215,457 |
Developed Technology [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, Gross Carrying Amount | 416,817 | 213,017 |
Finite-lived intangible assets, Accumulated amortization | (170,576) | (102,996) |
Finite-lived intangible assets, Net carrying amount | 246,241 | 110,021 |
Backlog [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, Gross Carrying Amount | 12,559 | 10,406 |
Finite-lived intangible assets, Accumulated amortization | $ (12,559) | (9,627) |
Finite-lived intangible assets, Net carrying amount |  | $ 779 |

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