Acquisitions and Divestitures (Assets Acquired and Liability Assumed - Alcon Cable) (Details) (USD $) In Millions, unless otherwise specified	Mar. 29, 2013	Dec. 31, 2012	Sep. 04, 2012 Alcan Cable [Member] North America [Member]
Business Acquisition [Line Items]
Cash			$ 0
Accounts receivable			74.7	[1]
Inventories			70.7
Property, plant, and equipment			72.7
intangible assets	64.1	67.1	5.9
Goodwill			3.5
Other current and noncurrent assets			2.2
Total Assets			229.7
Current liabilities			57.1
Other liabilities			1.3
Total liabilities			$ 58.4

[1] Accounts receivable represents gross contractual value. As of the acquisition date, the fair value of accounts receivable approximated carrying value.