Pension and Other Postretirement Benefits (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 04, 2015	Jun. 28, 2014	Jul. 04, 2015	Jun. 28, 2014
Components of net periodic benefit cost:
Loss from curtailment of pension obligation		$ 0.6		$ 0.6
U.S..
Components of net periodic benefit cost:
Employer contributions			$ 2.0	2.4
Int'l
Components of net periodic benefit cost:
Employer contributions			9.3	10.6
Int'l | Continuing operations
Components of net periodic benefit cost:
Service cost	$ 3.3	3.2	7.0	6.7
Interest cost	4.3	6.2	8.8	12.2
Expected return on plan assets	(5.3)	(6.5)	(10.8)	(13.0)
Recognized net actuarial loss	2.3	1.3	4.8	2.6
Amortization of prior service credit		0.1	(0.1)	0.2
Recognized loss on curtailment		0.6		0.6
Recognized loss on settlement	3.8		3.8
Net periodic benefit credit	8.4	4.9	13.5	9.3
U.S. Postretirement Health Benefits
Components of net periodic benefit cost:
Interest cost		0.1	0.1	0.1
Recognized net actuarial loss	0.5	0.7	1.1	1.4
Amortization of prior service credit	(0.8)	(0.8)	(1.6)	(1.6)
Net periodic benefit credit	(0.3)		(0.4)	(0.1)
Employer contributions			0.6	0.9
U.S. Postretirement Health Benefits | Continuing operations
Components of net periodic benefit cost:
Service cost	0.1	0.1	0.2	0.2
Interest cost	11.0	11.4	21.7	22.4
Expected return on plan assets	(12.9)	(13.0)	(25.8)	(26.0)
Recognized net actuarial loss	5.1	4.2	10.2	8.1
Amortization of prior service credit	0.3	0.3	0.6	0.6
Net periodic benefit credit	$ 3.6	$ 3.0	$ 6.9	$ 5.3