Long-Term Debt (Components Of Long-Term Debt) (Details) $ in Thousands		3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2021 USD ($) item	Dec. 31, 2020 USD ($)	Apr. 30, 2020 USD ($)
Line Of Credit Facility And Long Term Debt [Line Items]
Debt issuance costs		$ (342)	$ (342)
Total carrying amount of long-term debt		190,032	190,032	$ 34,621
Less current portion		(8,990)	(8,990)	(4,000)
Long-term debt, net		181,042	181,042	30,621
Rhino Rack [Member]
Line Of Credit Facility And Long Term Debt [Line Items]
Repayment of other debt		2,252
Credit Agreement [Member]
Line Of Credit Facility And Long Term Debt [Line Items]
Credit facility maximum borrowing capacity		275,000	$ 275,000
Consolidated leverage ratio | item			4.25
Revolving Credit Facility [Member]
Line Of Credit Facility And Long Term Debt [Line Items]
Credit facility		65,412	$ 65,412	$ 15,579
Revolving Credit Facility [Member] | Credit Agreement [Member]
Line Of Credit Facility And Long Term Debt [Line Items]
Credit facility		65,412	65,412
Credit facility maximum borrowing capacity		100,000	100,000
Credit facility current borrowing capacity		$ 100,000	$ 100,000
Percentage of domestic subsidiaries securing credit agreement			100.00%
Percentage of foreign subsidiaries securing credit agreement			65.00%
Credit facility, Interest rate at end of period		1.625%	1.625%	2.0625%
Foreign Credit Facility [Member]
Line Of Credit Facility And Long Term Debt [Line Items]
Credit facility		$ 1,525	$ 1,525	$ 1,042
Credit facility, Interest rate at end of period				1.3387%
Foreign Credit Facility [Member] | Minimum [Member]
Line Of Credit Facility And Long Term Debt [Line Items]
Credit facility, Interest rate at end of period		1.3387%	1.3387%
Foreign Credit Facility [Member] | Credit Agreement [Member] | Maximum [Member]
Line Of Credit Facility And Long Term Debt [Line Items]
Credit facility, Interest rate at end of period		5.1651%	5.1651%
Term Note [Member]
Line Of Credit Facility And Long Term Debt [Line Items]
Term note		$ 123,437	$ 123,437	$ 18,000
Term Note [Member] | Credit Agreement [Member]
Line Of Credit Facility And Long Term Debt [Line Items]
Term note					$ 20,000
Credit facility maximum borrowing capacity		125,000	$ 125,000
Interest rate during the year			1.625%	2.0625%
Quarterly payment			$ 1,563
Term Note [Member] | Credit Agreement [Member] | Forecast [Member]
Line Of Credit Facility And Long Term Debt [Line Items]
Quarterly payment	$ 3,125
Additional Revolving And Or Term Loan Commitments [Member] | Credit Agreement [Member]
Line Of Credit Facility And Long Term Debt [Line Items]
Credit facility maximum borrowing capacity		50,000	50,000
Issuance Of Debt Convertible To Equity Interests [Member]
Line Of Credit Facility And Long Term Debt [Line Items]
Credit facility maximum borrowing capacity		$ 125,000	$ 125,000