Inventories - Additional Information (Detail) - USD ($) $ in Millions	Mar. 31, 2026	Mar. 31, 2025
Inventory Disclosure [Abstract]
General and administrative cost in inventory	$ 65.8	$ 62.6
General and administrative cost remaining in inventory	$ 18.5	$ 18.1

Aggregate amount of general and administrative costs incurred in each period and charged to inventory.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(6)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Name:	us-gaap_GeneralAndAdministrativeCostsInInventoryAmountIncurred
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant