Earnings per Share (EPS) and Common Stock (Earnings per Share Basic and Diluted) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Dec. 28, 2013	Dec. 29, 2012
Earnings Per Share and Common Stock
Net income	$ 39,657	$ 35,811
Weighted average shares outstanding—Basic (in shares)	118,933	119,927
Dilutive effect of employee stock options, restricted shares and restricted stock units (in shares)	2,167	1,878
Weighted average shares outstanding—Diluted (in shares)	121,100	121,805
Earnings per share—Basic (in USD per share)	$ 0.33	$ 0.30
Earnings per share—Diluted (in USD per share)	$ 0.33	$ 0.29