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Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2021	Apr. 03, 2020
Noncash investing and financing activities:
Property, plant and equipment purchases included in accounts payable	$ 2,981	$ 4,481
Purchase of intangible asset included in accrued expenses	0	1,000
Supplemental lease disclosures:
ROU assets obtained in exchange for new operating lease liabilities	$ 7,414	$ 7,427

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Future cash outflow to pay for purchases of fixed assets that have occurred.

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Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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