Commitments and Contingencies (Tables)

3 Months Ended

Mar. 30, 2014

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 condensed consolidated balance sheets, were as follows (in millions):

	Three Months Ended
	March 31, 2013			March 30, 2014
Balance at beginning of the period	$	4.9		$	5.4
Costs accrued and revenues deferred	0.2			0.4
Settlements made (in cash or kind) and revenues recognized	—			(0.1		)
Balance at end of period	5.1			5.7
Less: Current portion	(4.8		)	(5.3		)
Non-current accrued product warranty and deferred warranty revenue	$	0.3		$	0.4