Long-Term Debt (Detail) In Thousands, unless otherwise specified	3 Months Ended			6 Months Ended			3 Months Ended						3 Months Ended
	Jun. 30, 2013 USD ($)	Mar. 31, 2013 USD ($)	Jun. 30, 2012 USD ($)	Jun. 30, 2013 USD ($)	Jun. 30, 2012 USD ($)	Dec. 31, 2012 USD ($)	Mar. 31, 2013 U.S. term loans USD ($)	Mar. 31, 2013 Canadian term loans CAD	Mar. 31, 2013 Euro term loans EUR (€)	Jun. 30, 2013 5% Senior Notes USD ($)	Dec. 31, 2012 5% Senior Notes USD ($)	Jun. 30, 2012 5% Senior Notes USD ($)	Mar. 31, 2013 Term Loan [Member] USD ($)	Jun. 30, 2013 Bank debt USD ($)	Dec. 31, 2012 Bank debt USD ($)	Jun. 30, 2012 Bank debt USD ($)	Jun. 30, 2013 Bank debt Bank revolving loans USD ($)	Dec. 31, 2012 Bank debt Bank revolving loans USD ($)	Jun. 30, 2012 Bank debt Bank revolving loans USD ($)	Jun. 30, 2013 Bank debt U.S. term loans USD ($)	Dec. 31, 2012 Bank debt U.S. term loans USD ($)	Jun. 30, 2012 Bank debt U.S. term loans USD ($)	Jun. 30, 2013 Bank debt Canadian term loans USD ($)	Dec. 31, 2012 Bank debt Canadian term loans USD ($)	Jun. 30, 2012 Bank debt Canadian term loans USD ($)	Jun. 30, 2013 Bank debt Euro term loans USD ($)	Dec. 31, 2012 Bank debt Euro term loans USD ($)	Jun. 30, 2012 Bank debt Euro term loans USD ($)	Jun. 30, 2013 Bank debt Other foreign bank revolving and term loans USD ($)	Dec. 31, 2012 Bank debt Other foreign bank revolving and term loans USD ($)	Jun. 30, 2012 Bank debt Other foreign bank revolving and term loans USD ($)
Debt Instrument [Line Items]
Long-term debt	$ 1,878,234		$ 1,781,529	$ 1,878,234	$ 1,781,529	$ 1,671,316				$ 500,000	$ 500,000	$ 500,000		$ 1,378,234	$ 1,171,316	$ 1,281,529	$ 503,111	$ 0	$ 160,000	$ 364,000	$ 520,000	$ 520,000	$ 65,697	$ 81,389	$ 78,400	$ 305,647	$ 443,406	$ 416,874	$ 139,779	$ 126,521	$ 106,255
Less current portion	619,469		236,640	619,469	236,640	255,349											503,100												116,400
Long-term debt, noncurrent	1,258,765		1,544,889	1,258,765	1,544,889	1,415,967
Prepayment of term loan				304,778	282,639		156,000	12,200	100,500				300,900
Loss on early extinguishment of debt	$ 0	$ 2,100	$ 38,704	$ 2,068	$ 38,704