Sale of Accounts Receivable - Additional Information (Detail) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013 USD ($)	Mar. 31, 2013 PLN	Mar. 31, 2012 USD ($)	Mar. 31, 2012 PLN	Mar. 31, 2013 Royal Bank of Scotland Accounts Receivable Factoring Facility Two PLN	Mar. 31, 2013 ING Polska PLN	Dec. 31, 2012 ING Polska USD ($)	Mar. 31, 2012 ING Polska USD ($)	Feb. 28, 2011 ING Polska PLN	Dec. 31, 2012 Related Party USD ($)	Dec. 31, 2012 Related Party PLN
Accounts, Notes, Loans and Financing Receivable [Line Items]
Maximum sale under factoring agreement					60.0	170.0	$ 170.0	$ 220.0	290.0
Accounts receivable sold during the period	119.3	375.4	111.5	359.7
Non-recourse factoring loss	(1.0)	(3.2)	(1.1)	(3.6)
Liability for recourse from factored receivables										2.8	8.6
Total balance of accounts receivable under factoring										$ 40.7	126.1