Pension Plans and Postretirement Benefits (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jan. 01, 2012	Jan. 02, 2011	Jan. 03, 2010
Pension Benefits - U.S. Plans [Member]
Components of net period pension benefit expense
Service cost - benefits earned during the year	$ 13.1	$ 13.7	$ 14.8
Interest cost on projected benefit obligation	42.5	40.6	40.1
Expected return on plan assets	(62.7)	(57.2)	(48.6)
Amortization of prior service cost	0.2	0.4	0.4
Recognized actuarial loss	13.6	7.7	15.8
Net periodic benefit (income) expense	6.7	5.2	22.5
Less : expense attributable to discontinued operations	0	0.4	1.1
Net periodic benefit expense - continuing operations	6.7	4.8	21.4
Pension Benefits-Non U.S. Plans [Member]
Components of net period pension benefit expense
Interest cost on projected benefit obligation	1.7	0.7
Expected return on plan assets	(1.7)	(0.6)
Net periodic benefit (income) expense		0.1
Net periodic benefit expense - continuing operations		0.1
Postretirement Plans [Member]
Components of net period pension benefit expense
Service cost - benefits earned during the year			0.1
Interest cost on projected benefit obligation	1.0	1.1	1.1
Amortization of prior service cost	(0.6)	(0.5)	(0.5)
Recognized actuarial loss	(0.5)	(1.1)	(1.3)
Net periodic benefit (income) expense	(0.1)	(0.5)	(0.6)
Less : expense attributable to discontinued operations	0	(0.5)	(0.6)
Net periodic benefit expense - continuing operations	$ (0.1)	$ 0	$ 0