Accrued Liabilities and Other Current Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Payables and Accruals [Abstract]
Accrued Sales Incentive and Advertising, Current	$ 46,821	$ 41,188
Accrued Vacation, Current	63,702	42,783
Dividends Payable, Current	24,178	15,693
Other Employee-related Liabilities, Current	20,822	16,832
Other Accrued Liabilities, Current	10,806	9,999
Accrued profit sharing trust contributions	$ 12,289	$ 10,152
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]
Operating Lease, Liability, Current	$ 8,769	$ 9,143
Accrued liabilities	$ 187,387	$ 145,790