Subsequent Event (Details) (USD $)	9 Months Ended		1 Months Ended	3 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Oct. 31, 2012 Euro Term B Facility [Member] Subsequent Events [Member]	Dec. 31, 2012 Euro Term B Facility [Member] Subsequent Events [Member]
Subsequent Event [Line Items]
Repayments of Lines of Credit			$ 100,000,000
Accelerated amortization of deferred financing fees	$ 1,249,000	$ 0		$ 1,700,000