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Employee Benefit Plans - Narrative (Details) - USD ($) $ in Millions			3 Months Ended		9 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Share-based Compensation
Share-based compensation expenses capitalized as inventory	$ 0.8	$ 0.8
Defined benefit plans
Net periodic benefit cost			$ 2.2	$ 2.3	$ 6.7	$ 6.9

X

- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- References

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- Definition

Represents the compensation cost capitalized during the period arising from equity-based compensation arrangements (for example, shares of stock, units, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

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