Commitment and Contingencies - Schedule of Deferred Income (Details) - U.S. Government Cooperative Agreement $ in Millions	Sep. 26, 2025 USD ($)
Revenue Recognition, Milestone Method [Line Items]
Cumulative grant proceeds received to reimburse asset construction	$ 80.2
Capex reimbursement receivable, included in accounts receivable, net	0.4
Cumulative amounts applied against assets placed in service	(20.5)
Deferred income	60.1
Assets under construction, gross	78.2
Assets placed in service, gross	27.0
Portion of costs included in property, plant and equipment, net	$ (24.6)