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Nature of Operations and Summary of Significant Accounting Policies - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands | 6 Months Ended
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Jul. 03, 2021 | Jun. 27, 2020
Accounting Policies [Abstract] |  |
Cash Paid for Interest | $ 1,968 | $ 4,186
Cash Paid for Income Taxes, Net of Refunds | 12,475 | 7,036
Non-Cash Investing Activities: |  |
Fair value of assets acquired | 197 | 9,164
Cash paid for acquired businesses | (159) | (7,537)
Liabilities Assumed of Acquired Businesses | 38 | 1,627
Purchases of property, plant, and equipment in accounts payable | 169 | 150
Non-Cash Financing Activities: |  |
Issuance of Company common stock upon vesting of restricted stock units | 3,628 | 4,027
Dividends declared but unpaid | $ 2,895 | $ 2,760

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