Property, Plant and Equipment - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Depreciation expense	$ 18.2	$ 18.6
Bialystok Facility | Poland
Property, Plant and Equipment [Line Items]
Area of land pledged as part of collateral to the 2016 Notes	78,665
Obomiki Facility | Poland
Property, Plant and Equipment [Line Items]
Area of land pledged as part of collateral to the 2016 Notes	80,519