v3.26.1
Business Segment Information - Net Sales and Long-Lived Asset by Geographic Location (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenue from Contract with Customer, Excluding Assessed Tax $ 3,050,376 $ 2,904,245 $ 2,874,473
Long-Lived Assets 1,257,161 1,086,865  
United States      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenue from Contract with Customer, Excluding Assessed Tax 2,857,553 2,709,615 2,666,704
Long-Lived Assets 1,169,184 1,016,681  
Canada      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenue from Contract with Customer, Excluding Assessed Tax 119,270 119,492 126,050
Long-Lived Assets 32,367 30,655  
Other      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenue from Contract with Customer, Excluding Assessed Tax 73,553 75,138 $ 81,719
Long-Lived Assets $ 55,610 $ 39,529