Nature of Operations and Summary of Significant Accounting Policies - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 28, 2020	Mar. 30, 2019
Accounting Policies [Abstract]
Cash Paid for Interest	$ 2,212	$ 2,782
Cash Paid for Income Taxes, Net of Refunds	4,698	4,679
Non-Cash Investing Activities:
Post-closing acquisition adjustment	0	1,567
Liabilities assumed of acquired business	0	29,664
Non-cash additions to property, plant, and equipment	128	193
Non-Cash Financing Activities:
Issuance of Company common stock upon vesting of restricted stock units	3,670	3,278
Dividends declared but unpaid	$ 2,753	$ 2,570