Financial Instruments and Derivative Instruments (Details) - Fair value measured on a recurring basis - USD ($) $ in Millions	Sep. 27, 2015	Dec. 31, 2014
Fair Value Measurements at Reporting Date
Financial assets, cash flow hedges	$ 0.0	$ 0.0
Financial liabilities, cash flow hedges	0.0	0.0
Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Plan asset for deferred compensation	3.3	4.0
Total assets	3.3	4.0
Liabilities
Plan liability for deferred compensation	3.3	4.0
Total liabilities	3.3	4.0
Significant Unobservable Inputs (Level 3)
Liabilities
Contingent consideration		2.5
Total liabilities		2.5
Total
Assets
Plan asset for deferred compensation	3.3	4.0
Total assets	3.3	4.0
Liabilities
Plan liability for deferred compensation	3.3	4.0
Contingent consideration		2.5
Total liabilities	$ 3.3	$ 6.5