Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
Jun. 30, 2013
Commitments and Contingencies Disclosure [Abstract]
Stock Repurchase Program, Authorized Amount	$ 30.0
MEXICO
Purchase Commitment, Excluding Long-term Commitment [Line Items]
Purchase Obligation	$ 21.0

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.