Schedule of Debt and Capital Lease Obligations (Detail) In Thousands, unless otherwise specified	Mar. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Mar. 31, 2013 Credit Line, Due 2013 USD ($)		Dec. 31, 2012 Credit Line, Due 2013 USD ($)		Mar. 31, 2013 Term Loan, Denominated In U.S. Dollars, Due 2013 USD ($)		Dec. 31, 2012 Term Loan, Denominated In U.S. Dollars, Due 2013 USD ($)		Mar. 31, 2013 Term Loan, Denominated In Euros ("EUR"), Due 2013 USD ($)		Dec. 31, 2012 Term Loan, Denominated In Euros ("EUR"), Due 2013 USD ($)		Mar. 31, 2013 Secured Mortgages USD ($)		Mar. 31, 2013 Secured Mortgages EUR (€)	Dec. 31, 2012 Secured Mortgages USD ($)		Mar. 31, 2013 Capitalized Leases And Other Long-Term Debt USD ($)	Dec. 31, 2012 Capitalized Leases And Other Long-Term Debt USD ($)
Debt Instrument [Line Items]
Short-term borrowings	$ 2,879	$ 2,288
Total long-term debt, including current maturities	320,896	366,872	85,000	[1]	112,000	[1]	198,077	[2]	214,615	[2]	19,245	[3]	29,718	[3]	3,770	[4]	2,941	3,880	[4]	14,804	6,659
Current maturities of long-term debt	303,067	357,145
Long-term debt, less current maturities	$ 17,829	$ 9,727

[1] The loans under this facility may be denominated in USD or several foreign currencies. The interest rates under the facility are based on prime, federal funds and/or the London Interbank offer rate ("LIBOR") for the applicable currency. At March 31, 2013, the applicable rate was 2.0%, and the weighted-average rate was 1.9% for the three-month period ended March 31, 2013.

[2] The interest rate for this loan varies with prime, federal funds and/or LIBOR. At March 31, 2013, the applicable rate was 1.8%, and the weighted-average rate was 1.9% for the three-month period ended March 31, 2013.

[3] The interest rate for this loan varies with LIBOR. At March 31, 2013, this rate was 2.1%, and the weighted-average rate was 2.1% for the three-month period ended March 31, 2013.

[4] This amount consists of a fixed-rate commercial loan with an outstanding balance of €2,941 at March 31, 2013. The loan is secured by the Company's facility in Bad Neustadt, Germany.