Stockholders' Equity (Narrative) (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended							6 Months Ended	12 Months Ended
	Sep. 30, 2012	Jul. 01, 2012	Apr. 01, 2012	Jan. 01, 2012	Oct. 02, 2011	Jul. 03, 2011	Apr. 03, 2011	Jul. 01, 2012	Jan. 01, 2012	Aug. 31, 2010	Oct. 23, 2008
Stockholders' Equity Note [Abstract]
Unremitted Earnings Planned To Be Repatriated									$ 350.0
Stock repurchase program, number of shares authorized to be repurchased		15,000,000						15,000,000			10,000,000
Stock repurchase program, number of additional shares authorized to be repurchased										5,000,000
Stock repurchase program, number of shares remained available for repurchase		6,000,000						6,000,000
Repurchased shares of common stock to satisfy statutory tax withholding obligation requirements								80,690
Aggregate cost of repurchased common stock to satisfy statutory tax withholding obligation requirements								2.1
Cash dividends (per share)	$ 0.07	$ 0.07	$ 0.07	$ 0.07	$ 0.07	$ 0.07	$ 0.07
Dividends Payable, Amount		$ 8.0						$ 8.0