Pension and Other Postretirement Benefits (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended			3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2014 Defined Benefit Plans	Sep. 30, 2014 Defined Benefit Plans and Other Postretirement Benefit, Cost [Member]	Sep. 28, 2013 Defined Benefit Plans and Other Postretirement Benefit, Cost [Member]	Sep. 30, 2014 Defined Benefit Plans and Other Postretirement Benefit, Cost [Member]	Sep. 28, 2013 Defined Benefit Plans and Other Postretirement Benefit, Cost [Member]	Sep. 30, 2014 Defined Benefit Plans and Other Postretirement Benefit, Cost [Member] Defined Benefit Plans	Sep. 28, 2013 Defined Benefit Plans and Other Postretirement Benefit, Cost [Member] Defined Benefit Plans	Sep. 30, 2014 Defined Benefit Plans and Other Postretirement Benefit, Cost [Member] Defined Benefit Plans	Sep. 28, 2013 Defined Benefit Plans and Other Postretirement Benefit, Cost [Member] Defined Benefit Plans	Sep. 30, 2014 Defined Benefit Plans and Other Postretirement Benefit, Cost [Member] Other Postretirement Benefits	Sep. 28, 2013 Defined Benefit Plans and Other Postretirement Benefit, Cost [Member] Other Postretirement Benefits	Sep. 30, 2014 Defined Benefit Plans and Other Postretirement Benefit, Cost [Member] Other Postretirement Benefits	Sep. 28, 2013 Defined Benefit Plans and Other Postretirement Benefit, Cost [Member] Other Postretirement Benefits
Pension and other post-retirement benefits details:
Pension and other postretirement defined benefit plans, noncurrent liabilities	$ 417.0	$ 462.6
Net periodic pension and OPEB costs:
Service cost - benefits earned during the year				4.2	4.7	12.3	14.5	3.4	3.9	10.0	11.9	0.8	0.8	2.3	2.6
Interest cost on projected benefit obligation				44.3	40.4	132.6	122.2	42.5	38.7	127.2	116.9	1.8	1.7	5.4	5.3
Expected return on plan assets				(50.6)	(44.0)	(149.5)	(132.7)	(50.6)	(44.0)	(149.5)	(132.7)	0	0	0	0
Amortization of prior service cost (benefit)				(0.7)	(0.7)	(1.8)	(2.1)	0.1	0.2	0.5	0.6	(0.8)	(0.9)	(2.3)	(2.7)
Amortization of net actuarial loss (gain)				9.0	14.0	26.9	42.2	9.2	14.0	27.6	42.4	(0.2)	0	(0.7)	(0.2)
Less: expected participant contributions				(0.2)	(0.3)	(0.8)	(0.9)	(0.2)	(0.3)	(0.8)	(0.9)	0	0	0	0
Net periodic pension and OPEB cost				6.0	14.1	19.7	43.2	4.4	12.5	15.0	38.2	1.6	1.6	4.7	5.0
Contributions paid to defined benefit plans	26.6
Expected total defined benefit plan employer contributions			$ 34