Income Taxes (Tables)

6 Months Ended

Jun. 30, 2013

Income Tax Disclosure [Abstract]

Schedule of components of income tax expense (benefit)

A reconciliation of the total income tax provision to the amount computed by applying the statutory federal income tax rate of 35% to loss from continuing operations before income tax provision for the three and six months ended June 24, 2012 and June 30, 2013 is as follows (in millions):

	For the Three Months Ended						For the Six Months Ended
	June 24, 2012			June 30, 2013			June 24, 2012			June 30, 2013
Income tax benefit at federal statutory rate	$	(3.1	)	$	(2.7	)	$	(5.4	)	$	(4.5	)
State and foreign taxes, net of federal tax benefit and valuation allowance	4.1			0.8			1.1			1.7
Nondeductible expenses and other	0.3			0.2			0.8			0.3
Impact of indefinite lived deferred tax liabilities	2.5			0.8			1.4			2.7
Decrease in reserves for uncertain tax positions	—			(1.7		)	(0.1		)	(1.6		)
Increase in federal valuation allowance	2.8			2.5			4.7			4.1
Total	$	6.6		$	(0.1	)	$	2.5		$	2.7