Segment Information - Long-Lived Assets by Geographic Area (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	$ 3,045,368	$ 3,023,156	$ 3,149,618
North American Region
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	1,566,621	1,557,153	1,656,985
UNITED STATES
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	1,570,000	1,570,000	1,650,000
International
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	$ 1,478,747	$ 1,466,003	$ 1,492,633