Pension Plans and Postretirement Benefits (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jan. 01, 2012	Jan. 02, 2011	Jan. 03, 2010	Jan. 09, 2012
Pension Plans and Postretirement Benefits (Textual) [Abstract]
Pretax voluntary contribution	$ 69.0	$ 37.0
Pretax voluntary contribution, next year				50.0
Additional cash contribution	42.8
Company's contribution	7.5	7.4	7.4
Equity Instruments Percentage, Minimum	45.00%
Equity Instruments Percentage, Maximum	75.00%
Non-cash reduction to stockholders' equity	204.9	162.8
Long-term additional liability	334.7	268.2
Assumed rate of increase in the per capita cost of covered benefits	8.00%
Assumed rate of decrease in per capita cost of covered benefits	5.00%
One percentage point increase in the assumed health care cost trend rates, annual service and interest costs	0.1
One percentage point increase in the assumed health care cost trend rates, postretirement benefit obligation	0.6
One percentage point decrease in the assumed health care cost trend rates, annual service and interest costs	0.1
One percentage point decrease in the assumed health care cost trend rates, postretirement benefit obligation	0.5
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Net periodic pension expense	6.7	4.8	21.4
Net periodic benefit cost not yet recognized for the pension plans, Net gain	382.3
Unrecognized prior service cost	(42.4)
Net periodic benefit cost expected to be recognized for the pension plans, Net gain	24.4
Net periodic benefit cost expected to be recognized for the pension plans, Net prior service credit	4.6
Defined benefit pension plan covering approximately employees	27.00%
Plan liabilities and expense measured at discounted rate	6.15%	5.90%
Reduction in pension benefit obligation	43.3
Plan liabilities and assets re-measurement date	April 19, 2011
Pension Benefits - U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Net periodic pension expense	6.7	4.8	21.4
Expense attributable to discontinued operations	0	0.4	1.1
Target Allocation, Equity Instruments	70.00%
Target Allocation, Debt Instruments	30.00%
Plan Investment	678.9	657.6	584.5
Projected long-term rate of return on plan assets	8.25%
Expected weighted average increase in future compensation levels	4.14%
Expected discount rate determining benefit obligations	5.50%
Net periodic benefit cost not yet recognized for the pension plans, Net gain	377.8	275.6
Unrecognized prior service cost	(42.4)	1.4
Pension Plans and Postretirement Benefits (Textual) [Abstract]
Assumed long-term rate of return on plan assets	8.25%	8.25%	8.25%
Weighted average increase in future compensation levels	4.14%	4.07%	3.50%
Pretax voluntary contribution	69.0	37.0
Pretax voluntary contribution, next year	493.8
Pension Benefits - U.S. Plans [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan Investment	370.8
Pension Benefits - U.S. Plans [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan Investment	305.1
Pension Benefits - U.S. Plans [Member] | Fair Value, Inputs, Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan Investment	0.1
Pension Benefits-Non U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Net periodic pension expense		0.1
Target Allocation, Equity Instruments	60.00%
Target Allocation, Debt Instruments	40.00%
Plan Investment	26.8	29.7	0
Projected long-term rate of return on plan assets	6.60%
Expected discount rate determining benefit obligations	4.70%
Net periodic benefit cost not yet recognized for the pension plans, Net gain	4.5	(0.6)
Unrecognized prior service cost	0	0
Reduction in pension benefit obligation	(0.1)	0.1
Pension Plans and Postretirement Benefits (Textual) [Abstract]
Assumed long-term rate of return on plan assets	6.60%	6.40%
Pretax voluntary contribution	0.3	8.1
Pretax voluntary contribution, next year	19.1
Pension Benefits-Non U.S. Plans [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan Investment	26.0
Pension Benefits-Non U.S. Plans [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan Investment	0.8
Postretirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Net periodic pension expense	(0.1)	0	0
Expense attributable to discontinued operations	0	(0.5)	(0.6)
Net periodic benefit cost not yet recognized for the pension plans, Net gain	(4.0)	(6.5)
Unrecognized prior service cost	(1.2)	(1.8)
Net periodic benefit cost expected to be recognized for the pension plans, Net gain	0.3
Net periodic benefit cost expected to be recognized for the pension plans, Net prior service credit	0.5
Pension Plans and Postretirement Benefits (Textual) [Abstract]
Pretax voluntary contribution, next year	13.4
U.S. Government Cost Accounting Standards [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension expense allocated to contracts pursuant to U.S. Government Cost Accounting Standards	$ 12.6	$ 9.6	$ 12.4