Commitments and Contingencies (Narrative) (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Mar. 31, 2024
Commitments and Contingencies Disclosure [Abstract]
Commitments for minimum lease payments under non-cancelable operating leases	$ 162,691
Liability for environmental remediation	$ 154	$ 280

The amount of environmental remediation liabilities included in liabilities subject to compromise.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 852
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481404/852-10-50-2

Name:	us-gaap_LiabilitiesSubjectToCompromiseEnvironmentalContingencies
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant