Long-Lived Assets by Geographic Area (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Long-Lived Assets by Geographical Areas [Line Items]
Long-Lived Assets	$ 3,150,661		$ 2,687,995		$ 2,595,313
North American Region
Long-Lived Assets by Geographical Areas [Line Items]
Long-Lived Assets	1,658,028	[1]	1,361,538	[1]	1,252,938	[1]
International
Long-Lived Assets by Geographical Areas [Line Items]
Long-Lived Assets	$ 1,492,633		$ 1,326,457		$ 1,342,375

[1] Long-lived assets for the North American Region include long-lived assets attributable to the US of $1.65 billion, $1.36 billion, and $1.25 billion for 2014, 2013, and 2012, respectively.