Debt - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2010	Dec. 21, 2020 USD ($)	May 15, 2020 USD ($)	Jun. 27, 2019 USD ($)	Feb. 15, 2018 USD ($)
Debt Instrument [Line Items]
Line of credit, current	$ 15,614,000	$ 12,296,000
Line of credit facility, remaining borrowing capacity	668,180,000
Long-term debt, gross	$ 315,270,000	$ 310,378,000
Weighted average interest rate	3.92%	4.70%
Effect of tax exemption				100.00%
Assets associated with industrial revenue bond	$ 100,020,000	$ 72,080,000
Liabilities associated with industrial revenue bond	100,020,000	72,080,000
Interest paid on debt	24,798,000	33,161,000	$ 34,070,000
Interest costs capitalized	2,833,000	2,233,000	$ 2,663,000
Short-term borrowings	$ 4,614,000
Promissory Note
Debt Instrument [Line Items]
Weighted average interest rate	1.653%
Debt instrument, face amount	$ 11,000,000	0
Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity							$ 500,000,000
Line of credit facility, remaining borrowing capacity	500,000,000
Letter of Credit
Debt Instrument [Line Items]
Amounts used to secure letters of credit	37,682,000	21,651,000
Accounts receivable securitization facility
Debt Instrument [Line Items]
Line of credit facility, remaining borrowing capacity	100,000,000
Bank Group And Accounts Receivable Securitization Facility
Debt Instrument [Line Items]
Line of credit facility, remaining borrowing capacity	544,918,000
Asian Credit Lines
Debt Instrument [Line Items]
Line of credit facility, remaining borrowing capacity	63,566,000
Asian Credit Lines
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	68,180,000
Line of credit, current	4,614,000	$ 12,296,000
Line of credit facility, remaining borrowing capacity	$ 68,180,000
Weighted average interest rate	3.915%	4.701%
Amended Accounts Receivable Facility | Accounts receivable securitization facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity								$ 100,000,000
Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity							700,000,000
Increase in line credit facility (up to)							$ 300,000,000
Debt instrument, leverage ratio, maximum							1.75
Line of credit, current	$ 0	$ 0
Line of Credit | Term Loan A Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity							$ 200,000,000
Line of Credit | Letter of Credit
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity							$ 110,000,000
Equipment financing
Debt Instrument [Line Items]
Long-term debt, gross	$ 22,058,000				$ 396,000	$ 31,142,000
Weighted average interest rate	3.049%					3.05%
Total Equipment Financing Arrangement, Including May and December
Debt Instrument [Line Items]
Long-term debt, gross						$ 31,538,000