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Nature of Operations and Summary of Significant Accounting Policies - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Accounting Policies [Abstract]
Cash Paid for Interest	$ 4,441	$ 6,899	$ 12,344
Cash Paid for Income Taxes, Net of Refunds	24,174	17,506	24,533
Non-Cash Investing Activities:
Fair value of assets acquired	190,977	9,295	207,223
Cash paid for acquired businesses	(152,661)	(7,565)	(179,693)
Liabilities Assumed of Acquired Businesses	38,316	1,730	27,530
Non-cash additions to property, plant, and equipment	363	1,060	626
Non-Cash Financing Activities:
Issuance of Company common stock upon vesting of RSUs	4,108	4,781	4,100
Dividends declared but unpaid	$ 2,905	$ 2,770	$ 2,628

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