Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013
Commitments and Contingencies Disclosure [Abstract]
Standby letters of credit outstanding	$ 0.6
Non-cancelable market-based purchase obligation	$ 9.3

Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

No definition available.