Goodwill and Other Intangible Assets - Components of Other Intangibles, Net (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Finite Lived And Indefinite Lived Intangible Assets Gross	$ 813,851		$ 813,851		$ 810,470
Less: Accumulated amortization	123,524		123,524		94,658
Other intangibles, net	690,327		690,327		715,812
Amortization	$ 9,500	$ 9,481	28,442	$ 28,435
Trademarks - All Others [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	Indefinite
Indefinite Intangible assets, gross	$ 85,846		85,846		85,294
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	20 years
Finite-lived intangible assets, gross	$ 690,405		690,405		687,642
Trademarks - TagWorks [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	5 years
Finite-lived intangible assets, gross	$ 300		300		300
KeyWorks License [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	7 years
Finite-lived intangible assets, gross	$ 4,456		4,456		4,438
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	$ 32,844		$ 32,844		$ 32,796
Patents [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	7 years
Patents [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	12 years