Stock-Based Compensation (Stock Options and Awards Activity) (Details) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended			6 Months Ended
	Mar. 31, 2012 years		Apr. 02, 2011	Mar. 31, 2012 years		Apr. 02, 2011
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding, Number of Shares, beginning of period				917
Outstanding, Weighted Average Exercise Price Per Share, beginning of period				$ 27.80
Granted, Number of Shares						0
Granted, Weighted Average Exercise Price Per Share	$ 0			$ 0
Exercised, Number of Shares				(177)
Exercised, Weighted Average Exercise Price Per Share	$ 27.57			$ 27.57
Forfeitures, Number of Shares				(1)
Forfeitures, Weighted Average Exercise Price Per Share	$ 26.16			$ 26.16
Expirations, Number of Shares				0
Expirations, Weighted Average Exercise Price Per Share	$ 0			$ 0
Outstanding, Number of Shares, end of period	739			739
Outstanding, Weighted Average Exercise Price Per Share, end of period	$ 27.85			$ 27.85
Outstanding, Weighted Average Remaining Contractual Term in Years	4.0			4.0
Outstanding, Aggregate Intrinsic Value	$ 22,523,000			$ 22,523,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest [Abstract]
Vested and expected to vest, Number of Shares	736			736
Vested and expected to vest, Weighted Average Exercise Price Per Share	$ 27.80			$ 27.80
Vested and expected to vest, Weighted Average Remaining Contractual Term in Years				3.9
Vested and expected to vest, Aggregate Intrinsic Value	22,465,000			22,465,000
Exercisable, Number of Shares	554			554
Exercisable, Weighted Average Exercise Price Per Share	$ 27.53			$ 27.53
Exercisable, Weighted Average Remaining Contractual Term in Years				3.4
Exercisable, Aggregate Intrinsic Value	17,061,000			17,061,000
Outstanding options, in-the-money	700,000			700,000
Aggregate intrinsic value of options exercised under stock option plans	$ 3,100,000		$ 6,800,000	$ 4,700,000		$ 13,400,000
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Nonvested stock, Number of Shares, beginning of period				404	[1]
Nonvested stock, Weighted Average Grant Date Fair Value, beginning of period				$ 34.71
Granted, Number of Shares				245	[1]
Granted, Weighted Average Grant Date Fair Value				$ 53.78
Vested, Number of Shares				(198)	[1]
Vested, Weighted Average Grant Date Fair Value				$ 32.65
Forfeited, Number of Shares				(6)	[1]
Forfeited, Weighted Average Grant Date Fair Value	$ 48.11			$ 48.11
Nonvested stock, Number of Shares, end of period	445	[1]		445	[1]
Nonvested stock, Weighted Average Grant Date Fair Value, end of period	$ 47.30			$ 47.30
Performance RSUs
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Nonvested stock, Number of Shares, beginning of period				101	[2]
Nonvested stock, Weighted Average Grant Date Fair Value, beginning of period				$ 49.77
Granted, Number of Shares				95	[2]
Granted, Weighted Average Grant Date Fair Value				$ 63.85
Vested, Number of Shares				(44)	[2]
Vested, Weighted Average Grant Date Fair Value				$ 53.18
Forfeited, Number of Shares				0	[2]
Forfeited, Weighted Average Grant Date Fair Value	$ 0.00			$ 0.00
Nonvested stock, Number of Shares, end of period	152			152
Nonvested stock, Weighted Average Grant Date Fair Value, end of period	$ 57.55			$ 57.55
Restricted Stock Units and Awards [Abstract]
Targeted goal of performance based awards and units				100.00%
Performance RSUs | Minimum
Restricted Stock Units and Awards [Abstract]
Percentage of performance-based awards earned by recipient				0.00%
Performance RSUs | Maximum [Member]
Restricted Stock Units and Awards [Abstract]
Percentage of performance-based awards earned by recipient				200.00%

[1] Service-based restricted stock vested during each fiscal year.

[2] Performance-based awards and units included at 100% of target goal; under the terms of the awards, the recipient may earn between 0% and 200% of the award.