Debt (Details)	Sep. 30, 2013 USD ($)	Sep. 30, 2013 Domestic Line of Credit United States USD ($)	Sep. 30, 2013 Foreign Line of Credit Europe USD ($)	Sep. 30, 2013 Foreign Line of Credit Japan USD ($)	Jul. 16, 2013 Subsequent Event [Member] Foreign Line of Credit Japan USD ($)	Jul. 16, 2013 Subsequent Event [Member] Foreign Line of Credit Japan JPY (¥)
Line of Credit Facility [Line Items]
Line of Credit Facility, Amount Outstanding	$ 20,000,000
Current borrowing capacity	$ 71,700,000	$ 59,500,000	$ 12,200,000	$ 10,100,000	$ 20,000,000	¥ 2,000,000,000.0
Debt Instrument, Interest Rate at Period End	2.20%