Commitments and Contingencies (Tables)

12 Months Ended

Dec. 30, 2012

Commitments and Contingencies Disclosure [Abstract]

Schedule of Product Warranty Liabilities

The changes in the Company's aggregate product warranty liabilities, which are included in other current liabilities and other long term-liabilities on the Company's Consolidated Balance Sheets, were as follows (in millions):

	Year Ended
	December 25, 2011			December 30, 2012
Balance, at beginning of the period	$	1.1		$	3.8
Costs accrued and revenues deferred	1.6			1.8
Warranty liabilities assumed from acquisitions	2.5			0.4
Adjustments to preexisting warranties	(0.8		)	(0.7		)
Settlements made (in cash or kind) and revenues recognized	(0.6		)	(0.1		)
Balance, at end of period	3.8			5.2
Less: Current portion	3.8			4.9
Non-current accrued product warranty and deferred warranty revenue	$	—		$	0.3
Total warranty	$	3.8		$	5.2