Earnings Per Share - Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Dec. 24, 2022	Dec. 25, 2021
Basic EPS:
Net loss available to common shareholders	$ (8,433)	$ 9,009
Weighted average shares, basic (in shares)	52,478	53,491
Earnings per share, basic (in dollars per share)	$ (0.16)	$ 0.17
Diluted EPS:
Net loss available to common shareholders	$ (8,433)	$ 9,009
Net income available to common shareholders, diluted (in shares)	52,478	54,909
Net income available to common shareholders, diluted (in dollars per share)	$ (0.16)	$ 0.16
Options to purchase common stock
Effect of dilutive securities (1):
Options to purchase common stock, restricted shares, and performance stock units	$ 0	$ 0
Options to purchase common stock units (in shares)	0	632
Options to purchase common stock (in dollars per share)	$ 0	$ 0
Restricted shares
Effect of dilutive securities (1):
Options to purchase common stock, restricted shares, and performance stock units	$ 0	$ 0
Restricted shares (in shares)	0	786
Restricted shares (in dollars per share)	$ 0	$ (0.01)
Performance stock units
Effect of dilutive securities (1):
Options to purchase common stock, restricted shares, and performance stock units	$ 0
Performance stock units (in shares)	0
Performance stock units (in dollars per share)	$ 0