Note 7. Derivative Instruments - Textuals (Details) (Foreign Exchange Contract) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	Sep. 30, 2014 USD ($)	Jun. 30, 2014	Sep. 30, 2014 EUR (€)
Derivatives, Fair Value
Derivative, Notional Amount	$ 28.4		€ 45.2
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months	$ 0.7
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimate of Time to Transfer	12 months	12 months