Receivables Factoring - Additional Information (Detail)	3 Months Ended	9 Months Ended
	Sep. 30, 2019 USD ($)	Sep. 30, 2019 USD ($)
Accounts Receivable [Line Items]
Trade receivables	$ 80,600,000	$ 272,400,000
Factoring fees	200,000
Collective limit under factoring arrangements	116,300,000	116,300,000
Factored receivables yet not collected	$ 56,600,000	56,600,000
Other Expense, Net [Member]
Accounts Receivable [Line Items]
Factoring fees		$ 800,000