Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 29, 2014	Jun. 30, 2013
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]
Balance at beginning of the period	$ 5.4	$ 5.2
Costs accrued and revenues deferred	0.5	0.2
Warranty liabilities assumed from acquisitions	(0.4)	(0.4)
Balance at end of period	5.5	5.0
Less: Current portion	5.0	4.6
Non-current accrued product warranty and deferred warranty revenue	$ 0.5	$ 0.4
Product Warranties | Minimum
Warranty Coverage Period [Line Items]
Warranty coverage period	1 year
Product Warranties | Maximum
Warranty Coverage Period [Line Items]
Warranty coverage period	10 years