Industry Segment Information (Schedule Of Financial Information Attributable To Geographic Regions) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Dec. 31, 2010
Segment Reporting Information [Line Items]
Net Sales	$ 3,166.9	$ 2,808.3	$ 2,238.0
Long-Lived Assets	573.1	534.0
United States [Member]
Segment Reporting Information [Line Items]
Net Sales	2,127.2	1,798.2	1,530.9
Long-Lived Assets	232.7	211.4
Mexico [Member]
Segment Reporting Information [Line Items]
Long-Lived Assets	117.2	115.1
Rest Of The World [Member]
Segment Reporting Information [Line Items]
Net Sales	1,039.7	1,010.1	707.1
Long-Lived Assets	115.7	119.9
China [Member]
Segment Reporting Information [Line Items]
Long-Lived Assets	$ 107.5	$ 87.6