Long-term Debt and Financing Arrangements - Additional Information (Detail) In Millions, unless otherwise specified	3 Months Ended	0 Months Ended						3 Months Ended
	Mar. 31, 2013	Jun. 16, 2011 Domestic Credit Facility USD ($)	Mar. 31, 2013 Domestic Credit Facility USD ($)	Jun. 16, 2011 Prior Domestic Credit Facility USD ($)	Mar. 31, 2013 Foreign Credit Facility USD ($)	Mar. 31, 2013 Foreign Credit Facility EUR (€)	Mar. 31, 2013 Minimum	Mar. 31, 2013 Minimum Period 1 USD ($)	Mar. 31, 2013 Minimum Period 2 USD ($)	Mar. 31, 2013 Maximum
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity		$ 35		$ 35
Line of credit facility, maturity date		Jun. 15, 2016
Credit Facility Fixed Charge Coverage Ratio Description	The fixed charge coverage ratio requires that, at the end of each fiscal quarter, the ratio of consolidated EBITDA, as defined in the loan agreement, to fixed charges may not be less than 1 to 1 for the immediately preceding 12 month period
Required consolidated leverage ratio as of end of each fiscal quarter							1.0			2.5
Required Consolidated EBITDA								15	25
Debt instrument, covenant compliance	The Company was in compliance with all covenants at March 31, 2013
Line of credit facility, remaining borrowing capacity			32.5		11.5	9.0
Standby letters of credit, outstanding			$ 2.5