Derivative Financial Instruments (Schedule Of Notional Amounts Of Forward Contracts) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Jan. 01, 2011
Commodity Forwards [Member] | Copper [Member]
Derivative [Line Items]
Notional Amount	$ 221.7	$ 106.3
Commodity Forwards [Member] | Aluminum [Member]
Derivative [Line Items]
Notional Amount	13.2	4.2
Commodity Forwards [Member] | Zinc [Member]
Derivative [Line Items]
Notional Amount		0.2
Commodity Forwards [Member] | Natural Gas [Member]
Derivative [Line Items]
Notional Amount	0.2	0.7
Currency Forwards [Member] | Mexican Peso [Member]
Derivative [Line Items]
Notional Amount	237.5	86.3
Currency Forwards [Member] | Indian Rupee [Member]
Derivative [Line Items]
Notional Amount	37.0	36.4
Currency Forwards [Member] | Chinese Renminbi [Member]
Derivative [Line Items]
Notional Amount	34.3	8.9
Currency Forwards [Member] | Thai Baht [Member]
Derivative [Line Items]
Notional Amount	$ 6.3	$ 2.4