Income Taxes - Income Tax Provision Reconciliation (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 30, 2014	Mar. 31, 2013
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract]
Federal statutory income tax rate	35.00%	35.00%
Income tax benefit at federal statutory rate	$ (4.4)	$ (1.8)
State and foreign taxes, net of federal tax benefit and valuation allowance	0.6	0.9
Nondeductible expenses and other	0.6	0.5
Impact of indefinite lived deferred tax liabilities	1.7	1.9
Increase in reserves for uncertain tax positions	0	0.1
Increase in federal valuation allowance	3.8	1.2
Total	$ 2.3	$ 2.8