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Intangible Assets (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Feb. 28, 2022
Sep. 30, 2021
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2020
Schedule of Intangible Assets [Line Items]          
Impairment loss     $ 1,057 $ 2,434 $ 0
Finite-lived intangible assets, weighted average remaining period     9 years 9 months 18 days    
Amortization of intangible assets     $ 21,499 $ 19,580  
Tradenames          
Schedule of Intangible Assets [Line Items]          
Impairment loss     $ 4,300    
Measurement Input, Long-term Revenue Growth Rate          
Schedule of Intangible Assets [Line Items]          
Indefinite-lived intangible asset, increase (decrease) in measurement input     (10.00%)    
Measurement Input, Long-term Revenue Growth Rate | Tradenames          
Schedule of Intangible Assets [Line Items]          
Indefinite-lived intangible asset, increase (decrease) in measurement input     (7.00%)    
Measurement Input, Cap Rate          
Schedule of Intangible Assets [Line Items]          
Indefinite-lived intangible asset, increase (decrease) in measurement input     (0.50%)    
Sensitivity analysis, increase In intangible asset measurement input that would not have resulted In fair value exceeding carrying value     5000.00%    
Minimum          
Schedule of Intangible Assets [Line Items]          
Intangible assets, useful lives     10 years    
Maximum          
Schedule of Intangible Assets [Line Items]          
Intangible assets, useful lives     30 years    
International OTC Healthcare          
Schedule of Intangible Assets [Line Items]          
Intangible assets, tradename impairment $ (700) $ 1,200