Compensation Plans (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013
Compensation Plans
Stock compensation	$ 7,606	$ 6,131	$ 23,325	$ 21,203
Employee Stock [Member]
Compensation Plans
Average expected life			6 months	6 months
Average volatility (as a percent)			55.00%	86.00%
Dividend yield (as a percent)			1.14%
Risk-free interest rate (as a percent)			0.06%	0.13%
Weighted average fair value (in dollars per share)			$ 27.28	$ 14.38
Employee Stock Option [Member]
Compensation Plans
Average expected life			5 years 6 months	6 years
Average volatility (as a percent)			74.00%	81.00%
Dividend yield (as a percent)			1.31%
Risk-free interest rate (as a percent)			1.70%	1.02%
Weighted average fair value (in dollars per share)			$ 42.04	$ 31.17
Restricted Stock Units RSU and Restricted Stock Award RSA [Member] | Two Thousand Six Plan [Member] | Minimum [Member]
Compensation Plans
Vesting period of award			3 years
Restricted Stock Units RSU and Restricted Stock Award RSA [Member] | Two Thousand Six Plan [Member] | Maximum [Member]
Compensation Plans
Vesting period of award			4 years
Performance Shares [Member] | Two Thousand Six Plan [Member]
Compensation Plans
Vesting period of award			3 years