Discontinued Operations and Other Dispositions - Summary of Operating Results from Discontinued Operations (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Dec. 31, 2020	Dec. 31, 2020
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Net Earnings (Loss) from Discontinued Operations		$ 5,278
Discontinued Operations, Disposed of by Sale | Oil And Gas Proppants
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Revenue	$ 0	1,045
Cost of Goods Sold	0	3,415
Gross Profit	0	(2,370)
Other Non-Operating Income	0	226
Gain on Sale of Discontinued Operations	0	9,230
Earnings (Loss) from Discontinued Operations	0	7,086
Income Tax (Expense) Benefit	0	(1,808)
Net Earnings (Loss) from Discontinued Operations	$ 0	$ 5,278