Supplemental Cash Flows Information (Details) - USD ($)		12 Months Ended
	Oct. 07, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Supplemental Cash Flow Information [Abstract]
Cash paid for interest		$ 0	$ 54,400,000	$ 42,300,000
Cash paid for income taxes, net of refunds received		3,100,000	$ 1,700,000	$ 1,300,000
Debt Instrument [Line Items]
Transfer of 2028 Notes to Former Parent	$ 500,000,000	(500,000,000)
Transfer of non-fax business net assets		837,300,000
Notes 2028 | Senior Notes
Debt Instrument [Line Items]
Transfer of 2028 Notes to Former Parent		$ 500,000,000
Stated interest rate	6.50%