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Long-Term Debt Credit Facility Agreements (Detail) € in Millions, CAD in Millions | 3 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Mar. 31, 2014 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Feb. 13, 2017 USD ($) | Dec. 31, 2016 EUR (€) | Dec. 31, 2016 CAD | Dec. 31, 2016 USD ($) | Dec. 31, 2015 EUR (€) | Dec. 31, 2015 CAD | Dec. 31, 2015 USD ($) | Jan. 14, 2014 EUR (€) | Jan. 14, 2014 CAD | Jan. 14, 2014 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, due in the next twelve months |  |  |  |  |  |  |  | $ 217,127,000 |  |  |  |  |  |
Debt, Long-term and Short-term, Combined Amount |  |  |  |  |  |  |  | 1,571,192,000 |  |  | $ 1,525,818,000 |  |  |
Repayments of long-term debt |  | $ 67,412,000 | $ 37,304,000 | $ 754,834,000 |  |  |  |  |  |  |  |  |  |
Additional borrowing capacity |  |  |  |  |  |  |  | 1,250,000,000 |  |  |  |  |  |
Letters Of Credit Facing Fee |  | $ 500 |  |  |  |  |  |  |  |  |  |  |  |
Letters Of Credit Facing Fee Percentage |  | 0.25% |  |  |  |  |  |  |  |  |  |  |  |
Loss on early extinguishment of debt | $ 1,500,000 | $ 0 | $ 0 | $ 1,474,000 |  |  |  |  |  |  |  |  |  |
Four and Three Quarters Percent Senior Notes due 2025 [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  | $ 300,000,000 |  |  |  |  |  |  |  |  |
U.S. term loans [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt, Long-term and Short-term, Combined Amount |  |  |  |  |  |  |  | $ 310,300,000 |  |  | 346,800,000 |  |  |
Line of Credit Facility, Interest Rate at Period End |  |  |  |  |  | 2.50% | 2.50% | 2.50% |  |  |  |  |  |
Long-term Debt |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 365,000,000
Canadian Term Loans [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings available under the revolving loan facilities | CAD |  |  |  |  |  |  | CAD 15.0 |  |  |  |  |  |  |
Debt, Long-term and Short-term, Combined Amount | CAD |  |  |  |  |  |  | CAD 59.5 |  |  | CAD 66.5 |  |  |  |
Line of Credit Facility, Interest Rate at Period End |  |  |  |  |  | 2.44% | 2.44% | 2.44% |  |  |  |  |  |
Long-term Debt | CAD |  |  |  |  |  |  |  |  |  |  |  |  | CAD 70.0 |
Term Loan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, due in the next twelve months |  |  |  |  |  |  |  | $ 5,200,000 |  |  |  |  |  |
Euro term loans [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt, Long-term and Short-term, Combined Amount | € |  |  |  |  |  | € 187.0 |  |  | € 209.0 |  |  |  |  |
Line of Credit Facility, Interest Rate at Period End |  |  |  |  |  | 1.15% | 1.15% | 1.15% |  |  |  |  |  |
Long-term Debt | € |  |  |  |  |  |  |  |  |  |  |  | € 220.0 |  |
Term Loan Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Fair Value of Amount Outstanding |  |  |  |  |  |  |  |  |  |  | $ 622,200,000 |  |  |
Debt, Long-term and Short-term, Combined Amount |  |  |  |  |  |  |  | $ 551,200,000 |  |  |  |  |  |
Debt, Weighted Average Interest Rate |  |  |  | 1.80% |  | 1.90% | 1.90% | 1.90% | 1.70% | 1.70% | 1.70% |  |  |
Weighted average interest rate after interest rate swap |  | 2.00% | 1.90% | 2.70% |  |  |  |  |  |  |  |  |  |
Revolving Loan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, due in the next twelve months |  |  |  |  |  |  |  | $ 99,500,000 |  |  |  |  |  |
Debt, Weighted Average Interest Rate |  |  |  | 1.70% |  | 2.00% | 2.00% | 2.00% | 1.70% | 1.70% | 1.70% |  |  |
Letters of Credit Outstanding, Amount |  |  |  |  |  |  |  | $ 18,000,000 |  |  |  |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage |  | 0.25% |  |  |  |  |  |  |  |  |  |  |  |
Letter Of Credit Maximum Borrowing Amount |  |  |  |  |  |  |  | 200,000,000 |  |  |  |  |  |
U S Revolving Loans [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  |  |  | 985,600,000 |  |  |  |  |  |
Canadian Revolving Loans [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | CAD |  |  |  |  |  |  | CAD 15.0 |  |  |  |  |  |  |
Revolving And Term Loans [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings available under the revolving loan facilities |  |  |  |  |  |  |  | 868,100,000 |  |  |  |  |  |
Line of credit facility, margin |  | 1.50% |  |  |  |  |  |  |  |  |  |  |  |
Revolving And Term Loans [Member] | Base Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, margin |  | 0.50% |  |  |  |  |  |  |  |  |  |  |  |
Maximum [Member] | Revolving Loan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional borrowing capacity |  |  |  |  |  |  |  | $ 625,000,000 |  |  |  |  |  |
Maximum [Member] | Revolving Loan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage |  | 0.35% |  |  |  |  |  |  |  |  |  |  |  |
Minimum [Member] | Revolving Loan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage |  | 0.20% |  |  |  |  |  |  |  |  |  |  |  |

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