Supplemental Cash Flow Information - Schedule of Supplemental Disclosures of Cash Flow Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Supplemental Cash Flow Information [Abstract]
Interest	$ 12,385	$ 22,563	$ 26,463
Income taxes, net	$ 79,526	$ 53,053	$ 50,921