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Nature of Operations and Summary of Significant Accounting Policies Revenue Table (Details) - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Revenue, Remaining Performance Obligation, Amount	$ 1,374,000
Deferred Revenue, Revenue Recognized	$ 40,360	$ 36,768
Expected recognition within the next year [Member]
Revenue, Remaining Performance Obligation, Percentage	36.00%
Expected recognition beyond the next year [Member] [Member]
Revenue, Remaining Performance Obligation, Percentage	55.00%

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- Definition

Amount of revenue recognized that was previously reported as deferred or unearned revenue.

+ References

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X

- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130556-203045

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- Definition

Percentage of remaining performance obligation to total remaining performance obligation not recognized as revenue.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130556-203045

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