Post Employment Plans - Changes in Fair Value of Level 3 Pension Plan Assets (Details) - USD ($) $ in Millions	6 Months Ended		12 Months Ended
	Dec. 31, 2015		Dec. 31, 2016	Jun. 27, 2015
Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets, beginning	$ 128.1		$ 126.7
Acquisitions	3.2		0.0
Fair value of plan assets at end of period	126.7		138.2	$ 128.1
Assets [Member]
Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets, beginning	128.1		126.7
Fair value of plan assets at end of period	126.7		138.2	128.1
Assets [Member] | Fair Value, Inputs, Level 3 [Member]
Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets, beginning	34.3	[1]	35.2	0.8	[1]
Net Transfers	0.0		7.6	0.0	[1]
Acquisitions	0.0		0.0	33.9	[1]
Unrealized gains	0.9		0.6	(0.4)	[1]
Fair value of plan assets at end of period	$ 35.2		$ 43.4	$ 34.3	[1]

[1] Includes Omega activity from March 30, 2015 to June 27, 2015.