Long-Term Debt - Additional Information (Detail) (USD $)	3 Months Ended	9 Months Ended															9 Months Ended									9 Months Ended
	Sep. 30, 2013	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012	Jun. 27, 2011 Incremental Credit Facility	Jun. 27, 2011 Term Loan A	Jun. 27, 2011 Term Loan A Principal Repayment Percentage in Each of First Two Years from Issuance [Member]	Jun. 27, 2011 Term Loan A Principal Repayment Percentage in Third Year from Issuance [Member]	Jun. 27, 2011 Term Loan A Principal Repayment Percentage in Fourth Year from Issuance [Member]	Jun. 27, 2011 Term Loan A Principal Repayment Percentage in Fifth Year from Issuance [Member]	Jun. 27, 2011 Term Loan A Principal repayable at maturity	Sep. 30, 2013 Senior Secured Revolving Credit Facility	Jun. 27, 2011 Senior Secured Revolving Credit Facility	Jun. 27, 2011 Senior Secured Revolving Credit Facility Foreign Denominated	Jun. 27, 2011 Senior Secured Revolving Credit Facility Letter of Credit	Jun. 27, 2011 Senior Secured Revolving Credit Facility Revolving Line of Credit	Sep. 30, 2013 Senior Secured Credit Facility	Jun. 27, 2011 Senior Secured Credit Facility	Sep. 30, 2013 Senior Secured Credit Facility Base Rate	Jun. 27, 2011 Senior Secured Credit Facility Base Rate	Sep. 30, 2013 Senior Secured Credit Facility Euro Dollar Rate	Jun. 27, 2011 Senior Secured Credit Facility Euro Dollar Rate	Sep. 30, 2013 Senior Secured Revolving Credit Facility	Dec. 31, 2012 Senior Secured Revolving Credit Facility	Jun. 27, 2011 Senior Secured Revolving Credit Facility	Sep. 30, 2013 Senior Notes due 2021	Dec. 31, 2012 Senior Notes due 2021	Jan. 28, 2011 Senior Notes due 2021	Jan. 28, 2011 Senior Notes due 2021 Senior Notes Redeemable Prior to February 1, 2014 [Member]	Jan. 28, 2011 Senior Notes due 2021 Senior Notes Redeemable Prior To February 1, 2016 Member	Jan. 28, 2011 Senior Notes due 2021 Senior Notes Redeemable Upon Change in Control [Member]
Debt Outstanding [Line Items]
Principal Redeemable with Equity Offering Proceeds																													35.00%
Debt Instrument, Redemption Price																														100.00%	101.00%
Cross-Default Accelerated Indebtedness Amount																	$ 50,000,000									$ 50,000,000
Debt Instrument, Interest Rate, Stated Percentage																										6.625%	6.625%
Debt Instrument, Face Amount						300,000,000																						260,000,000
Principal repayment, percentage							5.00%	10.00%	15.00%	11.25%	53.75%
Line of credit, aggregate principal amount													100,000,000	15,000,000	50,000,000	20,000,000
Line of Credit Facility, Amount Outstanding													50,000,000
Line of credit, incremental facility					150,000,000
Line of Credit Facility, Remaining Borrowing Capacity												78,300,000
Repayments of long-term debt		51,161,000	11,250,000
Standby letters of credit outstanding	6,700,000	6,700,000
Senior secured debt, applicable margin rate																			0.75%		1.75%
Senior secured debt, maximum applicable margin rate																				1.00%		2.00%
Percentage of capital stock of foreign subsidiaries pledged as a guarantee																		65.00%
Mandatory principal prepayments from aggregate net cash proceeds from certain asset sales, casualty events or condemnation recoveries, percentage																									100.00%
Long-term Debt	536,400,000	536,400,000		587,561,000																			15,000,000	50,000,000		258,900,000	260,000,000
Capitalized debt issuance costs																												5,100,000
Voluntary Repayments of Long-Term Debt	$ 21,100,000	$ 36,100,000