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Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 26, 2021	Jun. 27, 2020	Mar. 28, 2020	Jun. 26, 2021	Jun. 27, 2020	Jan. 28, 2021	Dec. 26, 2020
Goodwill
Goodwill	$ 851,070			$ 851,070			$ 816,812
Amortization of intangibles	10,641	$ 9,827		21,162	$ 19,808
Impairment of intangibles			$ 300
Acquired finite lived intangibles				40,442
Automotive Sensors
Goodwill
Goodwill impairment charge		$ 33,800
Goodwill	$ 9,600			9,600
Hartland Controls
Goodwill
Goodwill						$ 40,442
Acquired finite lived intangibles				$ 39,700