GOODWILL AND INTANGIBLE ASSETS - Change in Carrying Amount (Details) $ in Thousands	6 Months Ended
	Mar. 25, 2022 USD ($)
Goodwill [Roll Forward]
Balance at beginning of period	$ 199,048
Goodwill acquired during year	13,746
Exchange rate effects	(627)
Balance at end of period	212,167
Electrical
Goodwill [Roll Forward]
Balance at beginning of period	155,471
Goodwill acquired during year	7,348
Exchange rate effects	(822)
Balance at end of period	161,997
Safety & Infrastructure
Goodwill [Roll Forward]
Balance at beginning of period	43,577
Goodwill acquired during year	6,398
Exchange rate effects	195
Balance at end of period	$ 50,170