Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Dec. 27, 2019	Dec. 28, 2018
Income Statement [Abstract]
Net sales	$ 447,448	$ 452,028
Cost of sales	330,604	341,772
Gross profit	116,844	110,256
Selling, general and administrative	56,215	56,379
Intangible asset amortization	8,113	8,214
Operating income	52,516	45,663
Interest expense, net	10,620	12,160
Other income, net	(234)	(1,600)
Income before income taxes	42,130	35,103
Income tax expense	7,340	8,154
Net income	$ 34,790	$ 26,949
Net income per share
Basic (in dollars per share)	$ 0.72	$ 0.56
Diluted (in dollars per share)	$ 0.71	$ 0.54