Equity Activity - Comprehensive Income (Loss) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 29, 2014		Mar. 30, 2013
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	$ (16.3)
Other comprehensive loss before reclassifications	(2.5)
Amounts reclassified from AOCI to SG&A	0	[1]
Other comprehensive loss	(2.5)		(3.0)
Balance, end of period	(18.8)
Foreign Currency Translation [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(0.9)
Other comprehensive loss before reclassifications	(2.5)
Amounts reclassified from AOCI to SG&A	0	[1]
Other comprehensive loss	(2.5)
Balance, end of period	(3.4)
Pension Liability Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(15.4)
Other comprehensive loss before reclassifications	0
Amounts reclassified from AOCI to SG&A	0	[1]
Other comprehensive loss	0
Balance, end of period	$ (15.4)

[1] For additional information, see Note L, "Pension, Profit Sharing and & Other Post-Retirement Benefits".