Long-Term Debt and Credit Facilities - Long-Term Debt Outstanding (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Jul. 11, 2023
Long-Term Debt and Credit Facilities.
Total debt	$ 1,070,997	$ 1,060,609
Less: Current portion of long-term debt	(29,057)	(30,029)
Long-term debt, net of current maturities	1,041,940	1,030,580
Senior Secured Term Loan
Long-Term Debt and Credit Facilities.
Total debt	38,163	37,921
Unamortized debt issuance costs	2,300	1,600
New Notes
Long-Term Debt and Credit Facilities.
Debt exchange premium	107,000	119,400
Other
Long-Term Debt and Credit Facilities.
Total debt	21,733	21,101
Second Lien Secured Term Loan
Long-Term Debt and Credit Facilities.
Unamortized debt issuance costs	3,200	3,900
Second Lien Secured Term Loan | New Notes
Long-Term Debt and Credit Facilities.
Total debt	28,271	27,608
BR Exar AR Facility
Long-Term Debt and Credit Facilities.
Total debt	3,761
Debt discount	400
Unamortized debt issuance costs	100
April 2026 Notes
Long-Term Debt and Credit Facilities.
Debt exchange premium			$ 142,300
April 2026 Notes | New Notes
Long-Term Debt and Credit Facilities.
Total debt	942,287	931,293
Senior Secured Notes Due2026 Member | Senior secured notes
Long-Term Debt and Credit Facilities.
Total debt	22,885	22,788
Debt discount	900	900
Unamortized debt issuance costs	200	200
BRCC Facility | New Notes
Long-Term Debt and Credit Facilities.
Total debt	$ 13,897	$ 19,898