Pension Plans and Postretirement Benefits (Details 4) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jan. 01, 2012	Jan. 02, 2011	Jan. 03, 2010
Pension Benefits - U.S. Plans [Member]
Funded status and amounts recognized in balance sheet
Funded status	$ (64.5)	$ (65.3)
Unrecognized prior service cost	(42.4)	1.4
Unrecognized net (gain) loss	377.8	275.6
Accrued pension and post-retirement obligation (long-term)	(59.9)	(60.7)
Accrued pension and post-retirement obligation (short-term)	(1.5)	(1.5)
Net amount recognized, before tax effect	335.4	277.0
Other liabilities	(3.1)	(3.1)
Net amount recognized	(64.5)	(65.3)
Assumptions were used to determine the benefit obligation and the net benefit cost
Weighted average discount rate	5.90%	6.25%	6.25%
Weighted average increase in future compensation levels	4.14%	4.07%	3.50%
Expected weighted-average long-term rate of return	8.25%	8.25%	8.25%
Pension Benefits-Non U.S. Plans [Member]
Funded status and amounts recognized in balance sheet
Funded status	(6.1)	(1.4)
Unrecognized prior service cost	0	0
Unrecognized net (gain) loss	4.5	(0.6)
Accrued pension and post-retirement obligation (long-term)	(6.1)	(1.4)
Accrued pension and post-retirement obligation (short-term)	0	0
Net amount recognized, before tax effect	4.5	(0.6)
Other liabilities	0	0
Net amount recognized	(6.1)	(1.5)
Assumptions were used to determine the benefit obligation and the net benefit cost
Weighted average discount rate	5.40%	5.60%
Expected weighted-average long-term rate of return	6.60%	6.40%
Postretirement Plans [Member]
Funded status and amounts recognized in balance sheet
Funded status	(14.8)	(18.4)
Unrecognized prior service cost	(1.2)	(1.8)
Unrecognized net (gain) loss	(4.0)	(6.5)
Prepaid (accrued) benefit cost	(20.0)	(26.7)
Accrued pension and post-retirement obligation (long-term)	(13.0)	(16.5)
Accrued pension and post-retirement obligation (short-term)	(1.8)	(1.9)
Net amount recognized, before tax effect	(5.2)	(8.3)
Net amount recognized	$ (20.0)	$ (26.7)