Long-Term Debt (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended																											3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Sep. 30, 2014 Bank debt [Member]	Dec. 31, 2013 Bank debt [Member]	Sep. 30, 2013 Bank debt [Member]	Sep. 30, 2014 5 1/2% Senior Notes [Member]	Dec. 31, 2013 5 1/2% Senior Notes [Member]	Sep. 30, 2013 5 1/2% Senior Notes [Member]	Sep. 30, 2014 5% Senior Notes [Member]	Dec. 31, 2013 5% Senior Notes [Member]	Sep. 30, 2013 5% Senior Notes [Member]	Sep. 30, 2014 Bank revolving loans [Member] Bank debt [Member]	Dec. 31, 2013 Bank revolving loans [Member] Bank debt [Member]	Sep. 30, 2013 Bank revolving loans [Member] Bank debt [Member]	Sep. 30, 2014 U S Term Loans [Member] Bank debt [Member]	Dec. 31, 2013 U S Term Loans [Member] Bank debt [Member]	Sep. 30, 2013 U S Term Loans [Member] Bank debt [Member]	Sep. 30, 2014 Canadian Term Loans [Member] Bank debt [Member]	Dec. 31, 2013 Canadian Term Loans [Member] Bank debt [Member]	Sep. 30, 2013 Canadian Term Loans [Member] Bank debt [Member]	Sep. 30, 2014 Euro Term Loans [Member] Bank debt [Member]	Dec. 31, 2013 Euro Term Loans [Member] Bank debt [Member]	Sep. 30, 2013 Euro Term Loans [Member] Bank debt [Member]	Sep. 30, 2014 Other Foreign Bank Revolving And Term Loans [Member] Bank debt [Member]	Dec. 31, 2013 Other Foreign Bank Revolving And Term Loans [Member] Bank debt [Member]	Sep. 30, 2013 Other Foreign Bank Revolving And Term Loans [Member] Bank debt [Member]	Mar. 31, 2014 Term Loan [Member]
Debt Instrument [Line Items]
Long-term debt	$ 1,967,030	$ 1,799,928	$ 1,967,030	$ 1,799,928	$ 1,703,836	$ 1,167,030	$ 903,836	$ 999,928	$ 300,000	$ 300,000	$ 300,000	$ 500,000	$ 500,000	$ 500,000	$ 335,148	$ 0	$ 98,395	$ 365,000	$ 364,000	$ 364,000	$ 62,699	$ 64,485	$ 66,784	$ 279,070	$ 323,704	$ 316,317	$ 125,113	$ 151,647	$ 154,432
Senior note interest rate (percent)									5.50%	5.50%	5.50%	5.00%	5.00%	5.00%
Less current portion	443,982	225,732	443,982	225,732	146,174										335,100												108,900
Long-term debt	1,523,048	1,574,196	1,523,048	1,574,196	1,557,662
Loss on early extinguishment of debt	$ 0	$ 0	$ 1,474	$ 2,068																										$ 1,500