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Long-Term Debt - Additional Information (Detail) | 3 Months Ended | 12 Months Ended |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12 Months Ended |  | 12 Months Ended |  |  | 12 Months Ended |
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Sep. 30, 2011 USD ($) | Dec. 31, 2010 USD ($) | Sep. 30, 2010 USD ($) | Dec. 31, 2011 USD ($) | Dec. 31, 2010 USD ($) | Dec. 31, 2009 USD ($) | Jul. 28, 2011 USD ($) | Jul. 28, 2011 Maximum USD ($) | Dec. 31, 2011 U.S. term loans USD ($) | Jul. 28, 2011 U.S. term loans USD ($) | Dec. 31, 2010 U.S. term loans USD ($) | Dec. 31, 2011 Canadian term loans CAD | Jul. 28, 2011 Canadian term loans CAD | Dec. 31, 2010 Canadian term loans CAD | Dec. 31, 2011 Euro term loans EUR (€) | Jul. 28, 2011 Euro term loans EUR (€) | Dec. 31, 2010 Euro term loans EUR (€) | Dec. 31, 2011 U.S. revolving loans USD ($) | Jul. 28, 2011 U.S. revolving loans USD ($) | Dec. 31, 2011 Canadian revolving loans CAD | Jul. 28, 2011 Canadian revolving loans CAD | Dec. 31, 2011 Term loans USD ($) | Dec. 31, 2010 Term loans USD ($) | Dec. 31, 2009 Term loans | Dec. 31, 2011 Revolving loans USD ($) | Dec. 31, 2010 Revolving loans USD ($) | Dec. 31, 2009 Revolving loans USD ($) | Dec. 31, 2011 Revolving loans Maximum | Dec. 31, 2011 Revolving loans Minimum | Dec. 31, 2011 Revolving and term loans LIBOR | Dec. 31, 2011 Revolving and term loans Base Rate | Dec. 31, 2010 2005 Credit Facility USD ($) | Dec. 31, 2011 Other foreign bank revolving and term loans Bank debt USD ($) | Dec. 31, 2010 Other foreign bank revolving and term loans Bank debt | Dec. 31, 2009 Other foreign bank revolving and term loans Bank debt | Dec. 31, 2009 7 1/4% Senior Notes USD ($) | Dec. 31, 2010 6 3/4% Senior Subordinated Notes USD ($) | Dec. 31, 2009 Prior to August 15, 2012 7 1/4% Senior Notes
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit agreement |  |  |  |  |  |  | $ 1,900,000,000 |  |  | $ 520,000,000 |  |  | 81,000,000 |  |  | € 335,000,000 |  |  | $ 790,000,000 |  | 10,000,000 |  |  |  |  |  |  |  |  |  |  |  | $ 123,300,000 |  |  |  |  |
Other foreign revolving and term loans, interest rate minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.00% |  |  |  |  |
Other foreign revolving and term loans, interest rate maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9.40% |  |  |  |  |
Weighted average annual interest rate paid |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.80% | 2.40% | 2.20% | 2.50% | 1.50% | 1.40% |  |  |  |  |  | 3.40% | 3.10% | 5.50% |  |  |
Additional Borrowing Capacity |  |  |  |  |  |  |  | 750,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior Subordinated note principal amount redeemed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 200,000,000 |
Redemption price as percentage of principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 101.125% | 100.00%
Redemption price paid |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 202,300,000 |
Pre-tax charge for loss on early extinguishment of debt | (976,000) | (3,000,000) | (4,500,000) | (976,000) | (7,548,000) | (1,255,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (4,500,000) |  |  |  |  | (3,000,000) |
Borrowings outstanding under the credit agreement |  |  |  |  |  |  |  |  | 520,000,000 |  | 400,000,000 | 81,000,000 |  | 81,000,000 | 335,000,000 |  | 125,000,000 |  |  |  |  | 1,033,100,000 | 646,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount of notes issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 250,000,000 |  |
Issue price as percentage of principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 97.28% |  |
Debt instrument, stated interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7.25% |  |
Description of the debt instrument interest payment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Interest on the 7 1/4% Notes is payable semi-annually in cash on August 15 and February 15 of each year, and the 7 1/4% Notes mature on August 15, 2016. |  |
Debt instrument, maturity date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Jul. 28, 2017 |  |  | Jul. 28, 2016 |  |  |  |  |  |  |  |  |  |  | Aug. 15, 2016 |  |
Letter of credit outstanding under the credit agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 28,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of excess cash flow required for payment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings available under the revolving loan facilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 761,300,000 |  | 10,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Final maturity date for the revolving and term loans if the 7 1/4 Senior Notes have not been refinanced in full on or before July 7, 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2016-07-07 |  |  |  |  |  |  |  |  |  |  |  |  |
Letter of Credit Facility, Maximum Borrowing Amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 200,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Average borrowings outstanding under the credit agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 113,300,000 | 24,400,000 | 89,800,000 |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Interest Rate Description |  |  |  | Under the Credit Agreement, the interest rate for U.S. term loans will be either LIBOR or the base rate under the Credit Agreement plus a margin, the interest rate for Canadian term loans will be either the Bankers’ Acceptance discount rate or the Canadian prime rate under the Credit Agreement plus a margin and the interest rate for Euro term loans will be the Euribor rate under the Credit Agreement plus a margin. At December 31, 2011, the margin for Term Loans and Revolving Loans maintained as LIBOR, Euribor or Bankers’ Acceptance loans was 1.75 percent and the margin for Term Loans and Revolving Loans maintained as base rate or Canadian prime rate loans was 0.75 percent. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Letters Of Credit Facing Fee |  |  |  | 500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Letters Of Credit Facing Fee Percentage |  |  |  | 0.25% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Incremental peak seasonal working capital requirements |  |  |  | 300,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, margin |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.75% | 0.75% |  |  |  |  |  |  |
Line of credit facility, interest rate at the end of the period |  |  |  |  |  |  |  |  | 2.33% |  |  | 3.05% |  |  | 3.23% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment fee percentage per annum on the daily average unused portion of commitments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.375% |  |  | 0.375% | 0.25% |  |  |  |  |  |  |  |  |
Weighted average interest rate after interest rate swap |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.30% | 3.90% | 3.80% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted assets of U.S. subsidiary |  |  |  | $ 138,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, redemption date, earliest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Aug. 15, 2012 |  |
Redemption price as percentage of principal amount upon the occurrence of change of control |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 101.00% |  |
Debt Instrument, redemption percentage with equity offering proceeds, maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 35.00%

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- Definition Reflects when the credit facility terminates, which may be presented in a variety of ways (year, month and year, day, month and year, quarter). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The effective interest rate at the end of the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The carrying amount, as of the date of the latest financial statement presented, of all assets that are pledged as collateral for the payment of the related debt obligation primarily arising from secured borrowings, repurchase agreements or other current or potential obligations, where the secured party does not have the right by contract or custom to sell or re-pledge the collateral and therefore are not reclassified and separately reported in the statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6862952&loc=SL6224234-111729 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS140-4/FIN46(R)-8 -Paragraph B6 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 140 -Paragraph 17 -Subparagraph a(2) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6862952&loc=d3e113969-111729 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6862952&loc=SL6226653-111729 + Details
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