Debt (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014
Line of Credit Facility [Line Items]
Current borrowing capacity	$ 25.1
United States
Line of Credit Facility [Line Items]
Credit agreement amount outstanding	19.8
Debt Instrument, Interest Rate at Period End	2.24%
Japan
Line of Credit Facility [Line Items]
Debt Instrument, Interest Rate at Period End	2.80%
Domestic Line of Credit | United States
Line of Credit Facility [Line Items]
Current borrowing capacity	14.7
Foreign Line of Credit | Europe
Line of Credit Facility [Line Items]
Current borrowing capacity	10.4
Foreign Line of Credit | Japan
Line of Credit Facility [Line Items]
Current borrowing capacity	$ 12.3