Compensation Plans (Tables)

6 Months Ended

Mar. 29, 2014

Compensation Plans

Schedule of assumptions used in estimating the grant-date fair value of employee stock options and similar instruments

	Twenty-six weeks ended
	March 29, 2014			March 30, 2013
Average expected life	5.5 years			6.0 years
Average volatility	75		%	81		%
Dividend yield	1.32		%	—		%
Risk-free interest rate	1.69		%	1.02		%
Weighted average fair value	$	41.66		$	31.02

Schedule of assumptions used in estimating the grant-date fair value of employees' purchase rights under Employee Stock Purchase Plan

	Twenty-six weeks ended
	March 29, 2014			March 30, 2013
Average expected life	6 months			6 months
Average volatility	55		%	114		%
Dividend yield	1.33		%	—		%
Risk-free interest rate	0.04		%	0.14		%
Weighted average fair value	$	22.72		$	10.82