Stock Plans (Tables)

12 Months Ended

Mar. 31, 2021

Equity [Abstract]

Summary of Treasury Share Transactions Under the Company's Stock Repurchase Program

The table below summarizes treasury share transactions under the Company’s stock repurchase program.

	Twelve months ended March 31, (In thousands)
	2021					2020
	Number of Shares		Amount			Number of Shares		Amount
Treasury shares at the beginning of period		4,833	$	(71,438	)		4,714	$	(70,459	)
Treasury shares purchased		112		(905	)		119		(979	)
Treasury shares at the end of period		4,945	$	(72,343	)		4,833	$	(71,438	)