Lawsuits, Claims, Commitments, Contingencies and Related Matters (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 27, 2015	Dec. 28, 2014
Valuation and Qualifying Accounts Disclosure [Line Items]
Reserves for environmental remediation obligations	$ 9.1
Portion of reserves included in current accrued liabilities	$ 245.4	$ 290.3
Maximum
Valuation and Qualifying Accounts Disclosure [Line Items]
Up to estimated duration of remediation	30 years
Environmental Reserves
Valuation and Qualifying Accounts Disclosure [Line Items]
Portion of reserves included in current accrued liabilities	$ 5.0