New Accounting Pronouncements (Details) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended	12 Months Ended
	Jun. 06, 2022	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Jan. 01, 2022	Jan. 29, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Long-term debt			$ 985,076	$ 672,407
Paid-in capital			413,235	396,771
Deferred income taxes			66,725	68,537
Retained earnings			412,631	496,605
Interest expense			$ 28,905	$ 35,485	$ 44,052
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities			0	1,273	0
Payments to redeem convertible notes			$ 275,000	$ 0	$ 0
2.625 Percent Convertible Notes Due 2024 [Member] | Convertible Notes Payable [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							2.625%
Payments to redeem convertible notes	$ 275,000
Debt Instrument, Face Amount	$ 70,000						$ 345,000
Accounting Standards Update 2020-06
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Long-term debt						$ 22,600
Paid-in capital						(37,900)
Deferred income taxes						(5,500)
Retained earnings						$ 20,800
Interest expense		$ (2,600)
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities		2,500