Benefit Plans (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 03, 2016	Mar. 29, 2015
Employer Contributions [Abstract]
Maximum percentage of total benefit obligation for international pension plans	25.00%
Pension Benefits [Member]
Components of net periodic benefit cost [Abstract]
Service cost	$ 2.3	$ 2.6
Interest cost	3.4	3.9
Expected return on plan assets	(4.6)	(5.1)
Amortization [Abstract]
Prior service cost	0.2	0.3
Recognized net actuarial (gain)/loss	2.6	2.8
Net periodic benefit cost	3.9	4.5
Employer Contributions [Abstract]
Expected company contribution to its benefit plans	11.0
Company contribution to benefit plans	0.8
Other Benefits [Member]
Components of net periodic benefit cost [Abstract]
Service cost	0.1	0.1
Interest cost	0.1	0.1
Amortization [Abstract]
Prior service cost	(0.8)	(0.8)
Recognized net actuarial (gain)/loss	0.0	0.0
Net periodic benefit cost	(0.6)	$ (0.6)
Employer Contributions [Abstract]
Expected company contribution to its benefit plans	0.6
Company contribution to benefit plans	$ 0.1