Benefit Plans (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 27, 2015	Sep. 28, 2014	Sep. 27, 2015	Sep. 28, 2014
Employer Contributions [Abstract]
Maximum percentage of total benefit obligation for international pension plans	25.00%		25.00%
Pension Benefits [Member]
Components of net periodic benefit cost [Abstract]
Service cost	$ 2.8	$ 2.1	$ 8.1	$ 6.5
Interest cost	3.7	4.0	11.6	10.8
Expected return on plan assets	(4.9)	(5.0)	(14.9)	(14.2)
Amortization [Abstract]
Prior service cost	0.1	0.3	0.6	0.9
Recognized net actuarial (gain) loss	3.2	1.9	8.9	5.4
Net periodic benefit cost	4.9	3.3	14.3	9.4
Employer Contributions [Abstract]
Expected company contribution to its benefit plans			9.0
Company contribution to benefit plans			7.2
Other Benefits [Member]
Components of net periodic benefit cost [Abstract]
Service cost	0.1	0.0	0.3	0.3
Interest cost	0.1	0.1	0.3	0.3
Amortization [Abstract]
Prior service cost	(0.7)	(0.8)	(2.3)	(2.3)
Recognized net actuarial (gain) loss	(0.1)	(0.1)	(0.1)	(0.2)
Net periodic benefit cost	$ (0.6)	$ (0.8)	(1.8)	$ (1.9)
Employer Contributions [Abstract]
Expected company contribution to its benefit plans			1.0
Company contribution to benefit plans			$ 0.3