Commitments and Contingencies (Fuel Commitments) (Details) (Fuel Commitments [Member], USD $) In Millions	Jul. 02, 2011
Fuel Commitments [Member]
Minimum amount committed under significant purchase commitment	$ 85.6

- Definition

The floor amount as of the balance sheet date that the entity must expend to satisfy the terms of disclosed arrangements (excluding long-term commitments) in which the entity has agreed to expend funds to procure goods or services from one or more suppliers, other than under a long-term purchase commitment or an unconditional purchase obligation.

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