Debt (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013
Line of Credit Facility [Line Items]
Line of Credit Facility, Amount Outstanding	$ 20.0
Current borrowing capacity	78.4
Debt Instrument, Interest Rate at Period End	2.20%
Domestic Line of Credit | United States
Line of Credit Facility [Line Items]
Current borrowing capacity	66.0
Foreign Line of Credit | Europe
Line of Credit Facility [Line Items]
Current borrowing capacity	$ 12.4