Post Employment Plans - Projected Benefit Obligation (Details) - USD ($) $ in Millions		6 Months Ended		12 Months Ended
		Dec. 31, 2015		Dec. 31, 2016	Jun. 27, 2015
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Projected benefit obligation, beginning		$ 140.3		$ 135.0
Acquisitions		5.6		0.0
Service costs		2.2		4.1	$ 0.9	[1]
Interest cost		1.7		3.6	2.4	[1]
Actuarial (gain) loss		(10.1)		22.6
Benefits paid		(0.6)		(1.7)
Foreign currency translation		(4.1)		(5.0)
Projected benefit obligation, ending		135.0		158.9	140.3
Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets, beginning		128.1		126.7
Acquisitions		3.2		0.0
Actual return on plan assets		(1.7)		9.4
Benefits paid		(0.6)		(1.7)
Employer contributions		1.4		8.2
Contributions paid		0.0		0.3
Foreign currency translation		(3.7)		(4.7)
Fair value of plan assets at end of period		126.7		138.2	128.1
Funded status recognized in Other Assets		(8.3)		(20.7)
Postretirement Health Coverage [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Projected benefit obligation, beginning		6.0	[1]	7.0	4.6	[1]
Acquisitions		0.0		0.0	1.0	[1]
Service costs		0.3		0.6	0.3	[1]
Interest cost		0.1		0.2	0.2	[1]
Actuarial (gain) loss		0.5		(1.9)	0.0	[1]
Benefits paid		(0.1)		(0.1)	(0.1)	[1]
Foreign currency translation		0.1		0.0	0.0	[1]
Projected benefit obligation, ending		7.0		5.8	6.0	[1]
Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets, beginning		0.0	[1]	0.0	0.0	[1]
Acquisitions		0.0		0.0	0.0	[1]
Actual return on plan assets		0.0		0.0	0.0	[1]
Benefits paid		0.0		0.0	0.0	[1]
Employer contributions		0.0		0.0	0.0	[1]
Contributions paid		0.0		0.0	0.0	[1]
Foreign currency translation		0.0		0.0	0.0	[1]
Fair value of plan assets at end of period		0.0		0.0	0.0	[1]
Funded status recognized in Other Assets		(7.0)		(5.8)	(6.0)	[1]
Ireland
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Projected benefit obligation, beginning	[1]	140.3			89.0
Acquisitions	[1]				70.4
Service costs	[1]				0.9
Interest cost	[1]				2.4
Actuarial (gain) loss	[1]				(6.8)
Benefits paid	[1]				(0.9)
Foreign currency translation	[1]				(14.7)
Projected benefit obligation, ending	[1]				140.3
Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets, beginning	[1]	128.1			99.6
Acquisitions	[1]				43.5
Actual return on plan assets	[1]				0.2
Benefits paid	[1]				(0.1)
Employer contributions	[1]				2.4
Contributions paid	[1]				0.0
Foreign currency translation	[1]				(17.5)
Fair value of plan assets at end of period	[1]				128.1
Funded status recognized in Other Assets	[1]				(12.2)
Other noncurrent assets [Member]
Change in Fair Value of Plan Assets [Roll Forward]
Funded status recognized in Other Assets		16.5		10.4
Other noncurrent assets [Member] | Postretirement Health Coverage [Member]
Change in Fair Value of Plan Assets [Roll Forward]
Funded status recognized in Other Assets		0.0		0.0	0.0	[1]
Other noncurrent assets [Member] | Ireland
Change in Fair Value of Plan Assets [Roll Forward]
Funded status recognized in Other Assets	[1]				12.8
Other noncurrent liabilities [Member]
Change in Fair Value of Plan Assets [Roll Forward]
Funded status recognized in Other Assets		(24.8)		(31.1)
Other noncurrent liabilities [Member] | Postretirement Health Coverage [Member]
Change in Fair Value of Plan Assets [Roll Forward]
Funded status recognized in Other Assets		$ (7.0)		$ (5.8)	(6.0)	[1]
Other noncurrent liabilities [Member] | Ireland
Change in Fair Value of Plan Assets [Roll Forward]
Funded status recognized in Other Assets	[1]				$ (25.0)

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