Goodwill (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 30, 2013		Dec. 31, 2012
Goodwill [Roll Forward]
Gross goodwill, beginning balance	$ 307.6
Impairment losses	0		0
Net goodwill	309.3		307.6
Purchase Accounting	1.7	[1]
Gross goodwill, ending balance	309.3
RESV [Member]
Goodwill [Roll Forward]
Gross goodwill, beginning balance	156.8
Impairment losses	0		0
Net goodwill	156.8		156.8
Purchase Accounting	0	[1]
Gross goodwill, ending balance	156.8
TECH [Member]
Goodwill [Roll Forward]
Gross goodwill, beginning balance	19.4
Impairment losses	0		0
Net goodwill	21.1		19.4
Purchase Accounting	1.7	[1]
Gross goodwill, ending balance	21.1
DMS [Member]
Goodwill [Roll Forward]
Gross goodwill, beginning balance	131.4
Impairment losses	0		0
Net goodwill	131.4		131.4
Purchase Accounting	0	[1]
Gross goodwill, ending balance	$ 131.4

[1] Preliminary purchase accounting adjustments recorded during the first quarter of 2013 for the TECH segment relate to the acquisition of Gefen Distribution. See Note B, “Acquisitions”.