Segment Information - Additional Information (Detail) $ in Thousands	3 Months Ended				9 Months Ended
	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Jun. 30, 2017 USD ($)	Sep. 30, 2018 USD ($) segment	Sep. 30, 2017 USD ($)
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of segments | segment					2
Revenues	$ 907,548		$ 872,940		$ 2,758,492	$ 2,544,094
Net sales related to the U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues		$ 238,342		$ 223,750	703,272	654,235
Net sales attributed to all foreign countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues		$ 669,206		$ 649,190	$ 2,055,220	$ 1,889,859
Net sales attributed to all foreign countries | Sales
Revenues from External Customers and Long-Lived Assets [Line Items]
Maximum percentage of total consolidated net sales attributed to any non-U.S. country					5.80%