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Segment Information - Long-Lived Assets by Geographic Area (Detail) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Revenues from External Customers and Long-Lived Assets [Line Items]      
Long-Lived Assets $ 3,038,435 $ 3,149,618 $ 2,687,995
North American Region      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Long-Lived Assets 1,572,432 1,656,985 1,361,538
UNITED STATES      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Long-Lived Assets 1,570,000 1,650,000 1,360,000
International      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Long-Lived Assets $ 1,466,003 $ 1,492,633 $ 1,326,457