Stockholders' Equity	12 Months Ended
	Dec. 31, 2021
Equity [Abstract]
Stockholders' Equity	Under stock repurchase programs approved by the Company’s Board of Directors, the Company repurchased 1.6 million of its common shares for $183.3 million during 2021 and 0.8 million shares for $27.9 million during 2020. All repurchased shares have been retired. Under the two-year, $350.0 million stock repurchase program, which was approved on December 9, 2021 and superseded the previous program, there was approximately $335.0 million remaining at year end for future stock repurchases.