Income Taxes - Operating Loss Carryforwards (Details) (USD $) In Millions, unless otherwise specified	Dec. 30, 2012
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 227.3
Tax Credit Carryforward, Amount	7.9
Internal Revenue Service (IRS) [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	395.9
Tax Credit Carryforward, Amount	13.8
Stock Deductions [Member] | State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	20.1
Stock Deductions [Member] | Internal Revenue Service (IRS) [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	13.9
Debt Issuance [Member] | State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	76.0
Debt Issuance [Member] | Internal Revenue Service (IRS) [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 115.1