Equity Activity - Comprehensive Income (Loss) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			9 Months Ended
	Sep. 27, 2014		Sep. 28, 2013	Sep. 27, 2014		Sep. 28, 2013
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	$ (17.0)			$ (16.3)
Other comprehensive (loss) income before reclassifications	(3.8)			(4.5)
Amounts reclassified from AOCI to SG&A	0	[1]		0	[1]
Other comprehensive (loss) income	(3.8)		2.8	(4.5)		(1.8)
Balance, end of period	(20.8)			(20.8)
Foreign Currency Translation [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(1.3)			(0.9)
Other comprehensive (loss) income before reclassifications	(4.4)			(4.8)
Amounts reclassified from AOCI to SG&A	0	[1]		0	[1]
Other comprehensive (loss) income	(4.4)			(4.8)
Balance, end of period	(5.7)			(5.7)
Pension Liability Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(15.7)			(15.4)
Other comprehensive (loss) income before reclassifications	0.6			0.3
Amounts reclassified from AOCI to SG&A	0	[1]		0	[1]
Other comprehensive (loss) income	0.6			0.3
Balance, end of period	$ (15.1)			$ (15.1)

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