Industry Segment Information Industry Segment Information Narrative (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2013	Jul. 01, 2012	Jun. 30, 2013 segments	Jul. 01, 2012
Industry Segment Information Narrative [Abstract]
Defined Benefit Plan, Recognized Net (Gain) Loss on Mark-to-Market	$ 0	$ 0	$ (0.05)	$ 1.20
Number of Operating Segment			2

Defined Benefit Plan, Recognized Net Gain (Loss) on Mark-to-Market

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration