Pension Benefits (Assumptions) (Details) (Pension [Member])	12 Months Ended
	Dec. 31, 2011	Jan. 01, 2011	Jan. 02, 2010
Pension [Member]
Discount rate, benefit obligations	4.80%	5.40%	5.70%
Long-term rate of compensation increase	4.20%	4.20%	4.10%
Discount rate, annual net periodic benefit cost	5.40%	5.70%	6.20%
Long-term rate of compensation increase, annual net periodic benefit cost	4.20%	4.10%	4.20%
Long-term rate of return on plan assets, annual net periodic benefit cost	8.90%	8.90%	8.90%
Percentage of consolidated pension and other postretirement benefit plan assets	71.00%
Long-term inflation assumption	2.50%
Active management premium	1.00%
Expected rate of return on foreign plan assets	8.90%