Litigation (Details)			3 Months Ended
	Mar. 01, 2013 EUR (€)	Mar. 31, 2013 Performance Guarantee [Member] USD ($)	Mar. 31, 2013 Minimum Guarantee of Business Revenue [Member] USD ($)
Loss Contingencies [Line Items]
Loss Contingency Possible Amount of Damages			$ 5,000,000
Loss Contingency Deposit of Surety Bond		4,000,000
Loss Contingency, Third Party Loss	€ 1,500,000