Debt - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2015 USD ($) Bank	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2010
Debt [Line Items]
Line of Credit Facility, Terminated	$ 200,000,000
Consortium of banks | Bank	4
Effect of tax exemption granted to Texarkana Industrial Revenue Bonds				100.00%
Assets associated with city of Texarkana	$ 20,000,000	$ 20,000,000
Liabilities associated with city of Texarkana	20,000,000	20,000,000
Future due payment related to debt in year 2016	600,000
Future due payment related to debt in year 2017	600,000
Future due payment related to debt in year 2018	600,000
Future due payment related to debt in year 2019	174,178,000
Future due payment related to debt in year 2020	0
Short term notes payable from consolidated operations	$ 12,437,000	$ 64,551,000
Weighted average interest rate of short term notes payable	2.18%	1.67%
Interest paid on debt	$ 27,560,000	$ 30,346,000	$ 30,694,000
Interest capitalized	4,473,000	1,878,000	$ 3,068,000
Secured Notes [Member]
Debt [Line Items]
Secured notes outstanding	0
Operations In Prc And Mexico [Member]
Debt [Line Items]
Short-term notes borrowings		24,551,000
Asian Credit Lines [Member]
Debt [Line Items]
Line of credit facility, maximum borrowing capacity	108,800,000
Additional borrowing capacity of credit facility	98,200,000
Revolving Credit Facility [Member]
Debt [Line Items]
Line of credit facility, maximum borrowing capacity	$ 400,000,000
Line of credit facility, expiration date	2020-05
Line of credit facility, description	On May 27, 2015, the Company entered into a revolving credit facility with a consortium of banks that provides up to $400,000 based on available collateral, including a $110,000 letter of credit subfacility, and expires in May 2020. The Company may elect to increase the commitments under the revolving credit facility or incur one or more tranches of term loans in an aggregate amount of up to $100,000, subject to the satisfaction of certain conditions. The Company may elect to add certain foreign subsidiaries as additional borrowers under the Credit Agreement (the “Foreign Borrowers”), subject to the satisfaction of certain conditions.
Borrowings outstanding	$ 0
Revolving Credit Facility [Member] | Maximum [Member]
Debt [Line Items]
Increase in line credit facility	100,000,000
Letter of Credit [Member]
Debt [Line Items]
Line of credit facility, maximum borrowing capacity	110,000,000
Amounts used to secure letters of credit	37,400,000	39,200,000
Accounts Receivable Securitization Facility [Member]
Debt [Line Items]
Accounts Receivable Securitization Facility, borrowing capacity	150,000,000
Borrowings outstanding	0	40,000,000
Short term notes payable from consolidated operations		40,000,000
Accounts Receivable Securitization Facility [Member] | Before Amendment [Member]
Debt [Line Items]
Accounts Receivable Securitization Facility, borrowing capacity	175,000,000
Bank Group And Accounts Receivable Securitization Facility [Member]
Debt [Line Items]
Line of credit facility, maximum borrowing capacity	$ 504,500,000
Former Credit Facility [Member]
Debt [Line Items]
Borrowings outstanding		$ 0