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Summary Of Significant Accounting Policies (Computation Of Net Basic And Diluted Earnings Per Share) (Details) (USD $)
In Thousands, except Per Share data
3 Months Ended12 Months Ended
Sep. 30, 2011
Jul. 01, 2011
Apr. 01, 2011
Dec. 31, 2010
Oct. 01, 2010
Jul. 02, 2010
Apr. 02, 2010
Jan. 01, 2010
Sep. 30, 2011
Oct. 01, 2010
Oct. 02, 2009
Summary Of Significant Accounting Policies [Abstract]           
Earnings from continuing operations$ 110,400$ 98,600$ 103,100$ 96,500$ 105,700$ 91,900$ 91,100$ 78,800$ 408,626$ 367,481$ 331,476
Loss from discontinued operations, net of taxes(9,700)000(700)(6,400)00(9,693)(7,059)(12,454)
Net earnings$ 100,700$ 98,600$ 103,100$ 96,500$ 105,000$ 85,500$ 91,100$ 78,800$ 398,933$ 360,422$ 319,022
Weighted average shares outstanding-basic        116,703121,816124,034
Dilutive effect of potential common shares        2,0322,209961
Weighted average shares outstanding-diluted        118,735124,025124,995
Net earnings (loss) per share-basic, Continuing operations$ 0.97$ 0.84$ 0.87$ 0.82$ 0.89$ 0.75$ 0.74$ 0.64$ 3.50$ 3.02$ 2.67
Net earnings (loss) per share-basic, Discontinued operations$ (0.09)$ 0.00$ 0.00$ 0.00$ (0.01)$ (0.05)$ 0.00$ 0.00$ (0.08)$ (0.06)$ (0.10)
Net earnings per share, basic, total$ 0.88$ 0.84$ 0.87$ 0.82$ 0.88$ 0.70$ 0.74$ 0.64$ 3.42$ 2.96$ 2.57
Net earnings (loss) per share-diluted, Continuing operations$ 0.95$ 0.83$ 0.86$ 0.80$ 0.87$ 0.74$ 0.73$ 0.63$ 3.44$ 2.96$ 2.65
Net earnings (loss) per share-diluted, Discontinued operations$ (0.08)$ 0.00$ 0.00$ 0.00$ 0.00$ (0.05)$ 0.00$ 0.00$ (0.08)$ (0.05)$ (0.10)
Net earnings per share, diluted, total$ 0.87$ 0.83$ 0.86$ 0.80$ 0.87$ 0.69$ 0.73$ 0.63$ 3.36$ 2.91$ 2.55