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Employee Retirement Plans - Expected Return on Plan Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Share-based Payment Arrangement [Abstract]
Interest cost	$ 278	$ 525	$ 556	$ 1,050
Expected return on assets	(290)	(647)	(580)	(1,294)
Net periodic benefit income	$ (12)	$ (122)	$ (24)	$ (244)

X

- Definition

Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan.

+ References

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X

- Definition

Amount of cost recognized for passage of time related to defined benefit plan.

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X

- Definition

Amount of net periodic benefit cost (credit) for defined benefit plan.

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