Leases (Weighted Average Discount Rate) (Details)	12 Months Ended
Mar. 31, 2020
Weighted Average Remaining Lease Term [Abstract]
Remaining Lease Term Fianance Lease Weighted Average	4 Years
Remaining Lease Term Operating Lease Weighted Average	14 Years
Weighted Average Discount Rate [Abstract]
Finance Lease Weighted Average Discount Rate Percent	3.50%
Operating Lease Weighted Average Discount Rate Percent	4.60%

Weighted average discount rate for operating lease calculated at point in time.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (g)(4)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 55
-Paragraph 53
-URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971

Name:	us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant