Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Narrative (Detail)

v3.22.4
Fair Value Measurements - Narrative (Detail) - USD ($)
$ in Millions
2 Months Ended 4 Months Ended 12 Months Ended
Dec. 31, 2021
Oct. 19, 2021
Dec. 31, 2022
Jun. 30, 2021
Jun. 30, 2020
Nov. 30, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Increase in fair value of warrant liabilities $ 1.2 $ 0.0 $ 37.6 $ 0.0 $ 0.0  
Impairment loss on business held for sale $ 0.0 $ 0.0 3.5 $ 0.0 $ 0.0  
Disposal Group, Held-for-sale, Not Discontinued Operations | Biodex Rehabilitation Business            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Disposal group, including discontinued operation, consideration           $ 8.0
Impairment loss on business held for sale     $ 3.5