Commitments and Contingencies (Details) - Damage from fire $ in Millions	1 Months Ended	3 Months Ended	12 Months Ended
	Dec. 31, 2018 plaintiff	Sep. 30, 2018 USD ($) plaintiff	Dec. 31, 2018 USD ($)	Mar. 31, 2019 USD ($)	Jul. 31, 2018 USD ($)
Natural disasters
Loss Contingencies [Line Items]
Number of plaintiffs | plaintiff	39	23
Damages sought, value		$ 1.5
Loss contingency, costs incurred			$ 4.8
Loss contingency, receivable				$ 0.6	$ 4.0
Net of insurance proceeds			0.8
Inventory and property, plant and equipment
Loss Contingencies [Line Items]
Loss contingency, costs incurred			1.9
Property-related cleanup and other costs
Loss Contingencies [Line Items]
Loss contingency, costs incurred			2.1
Self-insured retention for third-party claims
Loss Contingencies [Line Items]
Loss contingency, costs incurred			$ 0.8