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Retirement Plans (Narrative) (Details) (USD $)	12 Months Ended
Retirement Plans (Narrative) (Details) (USD $)	Dec. 31, 2011	Jan. 01, 2011	Jan. 02, 2010	Dec. 31, 2012 Scenario, Forecast [Member]	Dec. 31, 2011 Scenario, Forecast [Member]	Dec. 31, 2011 United States Pension Plans of US Entity, Defined Benefit [Member]	Jan. 01, 2011 United States Pension Plans of US Entity, Defined Benefit [Member]	Jan. 02, 2010 United States Pension Plans of US Entity, Defined Benefit [Member]
Employer contributions	$ 6,532,000	$ 4,052,000				$ 5,800,000	$ 4,300,000	$ 4,900,000
Defined benefit plan compensation increase assumption	3.00%	3.00%
Accumulated benefit obligation	150,002,000	110,683,000
Defined benefit pension plans prior service cost amortized into periodic pension benefit cost	200,000	399,000	189,000		200,000
Defined benefit pension plans net actuarial loss amortized into periodic pension	3,281,000	2,401,000	759,000	3,600,000
Expected contribution to defined benefit pension plans	$ 7,700,000

The amounts in accumulated other comprehensive income related to gains and losses that are not recognized immediately and are expected to be recognized as components of net periodic benefit cost over the next fiscal year that follows the most recent annual statement of financial position presented.

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- Definition

If aggregate disclosures are presented, the aggregate pension accumulated benefit obligation for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented.

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