General form of registration statement for all companies including face-amount certificate companies

Acquisitions - Additional Information (Detail)

v3.21.2
Acquisitions - Additional Information (Detail) - USD ($)
$ in Millions
 12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Business Acquisition [Line Items]    
Effective income tax rate reconciliation at federal statutory income tax rate, Percent 25.00%  
Fair Value Adjustment to Inventory [Member]    
Business Acquisition [Line Items]    
Business combination, Pro forma adjustments $ 5.2 $ 5.2
Acquisition-related Costs [Member]    
Business Acquisition [Line Items]    
Business combination, Pro forma adjustments 4.8 4.8
Reduction In Revenues Due To The Elimination Of Deferred Contract Revenue [Member]    
Business Acquisition [Line Items]    
Business combination, Pro forma adjustments 14.8 $ 14.8
Medical Segment | SunNuclear    
Business Acquisition [Line Items]    
Business acquisition, Transaction costs $ 1.2