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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%

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