Long-Term Debt - Additional Information (Detail)	3 Months Ended			12 Months Ended																		12 Months Ended										12 Months Ended				12 Months Ended
	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%