Summary of Significant Accounting Policies - Components of Other Long-Term Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Accounting Policies [Abstract]
Post-employment and other benefit/retirement liabilities	$ 55,150	$ 35,273
Insurance liabilities	47,930	45,865
Other lease obligations	27,815	33,748
Other taxes payable	59,107	57,510
Customer deposits	65,826	161,936
Other	159,170	153,924
Total other long-term liabilities	$ 414,998	$ 488,256