Commitments and Contingencies (Tables)

6 Months Ended

Jun. 29, 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):

	Six Months Ended
	June 30, 2013			June 29, 2014
Balance at beginning of the period	$	5.2		$	5.4
Costs accrued and revenues deferred	0.2			0.5
Warranty liabilities assumed from acquisitions	(0.4		)	(0.4		)
Balance at end of period	5.0			5.5
Less: Current portion	4.6			5.0
Non-current accrued product warranty and deferred warranty revenue	$	0.4		$	0.5