Financial Instruments and Risk Management (Derivative Notional Amounts) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended		12 Months Ended
	Sep. 06, 2014	Sep. 07, 2013	Dec. 28, 2013
Foreign exchange contracts [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount	$ 116.8	$ 96.0	$ 129.1
Maximum remaining maturity of foreign currency derivatives	336 days	336 days	364 days
Interest Rate Swap [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount	$ 422.4	$ 462.2	$ 455.5