Litigation and Contingencies (Details) (USD $) In Millions, unless otherwise specified		0 Months Ended
	Sep. 25, 2014	Jul. 10, 2014 State and Local Jurisdiction	Jul. 10, 2014 State and Local Jurisdiction Other Operating Expenses	Jul. 10, 2014 State and Local Jurisdiction Interest Expense, Net
Loss Contingencies [Line Items]
Proceeds from income tax refunds		$ 5.1	$ 4.9	$ 0.2
Maximum amount of payments and benefits payable and possible loss	$ 2.8