Debt (Details)	Jun. 30, 2013 USD ($)	Jun. 30, 2013 Domestic Line of Credit United States USD ($)	Jun. 30, 2013 Foreign Line of Credit Europe USD ($)	Jul. 16, 2013 Subsequent Event Foreign Line of Credit Japan USD ($)	Jul. 16, 2013 Subsequent Event Foreign Line of Credit Japan JPY (¥)
Line of Credit Facility [Line Items]
Line of Credit Facility, Amount Outstanding	$ 20,000,000
Current borrowing capacity	$ 78,400,000	$ 66,300,000	$ 12,100,000	$ 20,000,000	¥ 2,000,000,000.0
Debt Instrument, Interest Rate at Period End	2.20%