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Acquisition	6 Months Ended
Acquisition	Mar. 30, 2019
Acquisition [Abstract]
Acquisition	Acquisition On July 27, 2018, the Company purchased the assets of one of the business lines of Cascade Controls, Inc. ("Cascade"), a new product introduction company in Portland, Oregon, for $12.4 million in cash, subject to certain customary post-closing adjustments. In the three months ended December 29, 2018, the Company received a $1.2 million purchase price adjustment as a result of a post-closing adjustment.