Accounting Policies (Earnings Per Share Reconciliation) (Details) In Millions, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Dec. 31, 2010
Accounting Policies [Abstract]
Current Fiscal Year End Date	--12-29
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	0.3	0.7	0.3
Denominator for basic EPS	41.8	39.7	38.2
Incremental Common Shares Attributable to Share-based Payment Arrangements	0.3	0.4	0.7
Denominator for diluted EPS	42.1	40.1	38.9