Long-Term Debt Summary of Long-Term Debt (Detail) $ in Thousands, € in Millions, CAD in Millions	Dec. 31, 2015 EUR (€)	Dec. 31, 2015 CAD	Dec. 31, 2015 USD ($)	Dec. 31, 2014 EUR (€)	Dec. 31, 2014 CAD	Dec. 31, 2014 USD ($)	Dec. 31, 2013	Sep. 09, 2013	Mar. 23, 2012
Debt Instrument [Line Items]
Debt, Long-term and Short-term, Combined Amount			$ 1,525,818			$ 1,598,963
Unamortized Debt Issuance Costs			12,271			14,891
Total debt			1,513,547			1,584,072
Less current portion			152,398			125,130
Long-term debt			1,361,149			1,458,942
Long-term debt, due in the next twelve months			152,398
Long-term Debt, Maturities, Repayments of Principal in Year Two			74,955
Long-term Debt, Maturities, Repayments of Principal in Year Three			68,528
Long-term Debt, Maturities, Repayments of Principal in Year Four			2,890
Long-term Debt, Maturities, Repayments of Principal in Year Five			927,047
Long-term Debt, Maturities, Repayments of Principal in Rolling after Year Five			300,000
Bank Borrowings [Member]
Debt Instrument [Line Items]
Debt, Long-term and Short-term, Combined Amount			725,818			$ 798,963
Revolving And Term Loans [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Remaining Borrowing Capacity			$ 962,900
Bank revolving loans [Member]
Debt Instrument [Line Items]
Debt, Weighted Average Interest Rate	1.70%	1.70%	1.70%	1.70%	1.70%	1.70%	1.90%
Bank revolving loans [Member] | Bank Borrowings [Member]
Debt Instrument [Line Items]
Debt, Long-term and Short-term, Combined Amount			$ 0			$ 0
U.S. term loans [Member]
Debt Instrument [Line Items]
Debt, Long-term and Short-term, Combined Amount			346,800			365,000
U.S. term loans [Member] | Bank Borrowings [Member]
Debt Instrument [Line Items]
Debt, Long-term and Short-term, Combined Amount			346,750			365,000
Canadian term loans [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Remaining Borrowing Capacity | CAD		CAD 15.0
Debt, Long-term and Short-term, Combined Amount | CAD		CAD 66.5			CAD 70.0
Canadian term loans [Member] | Bank Borrowings [Member]
Debt Instrument [Line Items]
Debt, Long-term and Short-term, Combined Amount			47,973			60,235
Euro term loans [Member]
Debt Instrument [Line Items]
Debt, Long-term and Short-term, Combined Amount | €	€ 209.0			€ 220.0
Euro term loans [Member] | Bank Borrowings [Member]
Debt Instrument [Line Items]
Debt, Long-term and Short-term, Combined Amount			227,434			$ 266,156
Other foreign bank revolving and term loans [Member]
Debt Instrument [Line Items]
Long-term debt, due in the next twelve months			$ 86,900
Other foreign bank revolving and term loans [Member] | Bank Borrowings [Member]
Debt Instrument [Line Items]
Debt, Weighted Average Interest Rate	3.70%	3.70%	3.70%	3.90%	3.90%	3.90%	3.80%
Debt, Long-term and Short-term, Combined Amount			$ 103,661			$ 107,572
Term Loan [Member]
Debt Instrument [Line Items]
Long-term debt, due in the next twelve months			65,500
5½% Senior Notes [Member]
Debt Instrument [Line Items]
Debt, Long-term and Short-term, Combined Amount			300,000			300,000
Stated interest rate								5.50%
5% Senior Notes due 2020 [Member]
Debt Instrument [Line Items]
Debt, Long-term and Short-term, Combined Amount			$ 500,000			$ 500,000
Stated interest rate									5.00%