Share-Based Compensation (Long-Term Incentive Plans) (Details)	12 Months Ended			0 Months Ended		12 Months Ended							0 Months Ended
	Dec. 31, 2011	Jan. 01, 2011	Jan. 02, 2010	May 04, 2010 2010 Equity Incentive Plan [Member]	May 04, 2009 2010 Equity Incentive Plan [Member]	Dec. 31, 2011 Performance-Based RSUs [Member]	Jan. 01, 2011 Performance-Based RSUs [Member]	Dec. 31, 2011 Time-Based RSUs [Member]	Jan. 01, 2011 Time-Based RSUs [Member]	Dec. 31, 2011 PSU Plan [Member] years	Dec. 27, 2008 PSU Plan [Member]	Jan. 01, 2011 PSU Plan [Member]	Aug. 10, 2010 Share Appreciation Rights Plan [Member]	Jan. 01, 2011 Share Appreciation Rights Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for future issuance				4,000,000
Awards granted				76,110	78,790	592,163		151,000
Effective date of award agreement cancellation													September 2, 2010
Stock options granted, shares		250,000	250,000				1,726,807	151,545	1,396,807
Vesting period of awards	3 years										3 years
Term for company performance evaluation (years)										3
Date that remaining awards vested										February 2011
Trustee held treasury shares	700,000											600,000
Options vested	284,000													154,000
Options cancelled													100,000