Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Taxes [Line Items]
Tax credit carryovers		$ 1,029	$ 2,555
Valuation allowance on deferred tax asset		69,900	84,137	$ 30,768	$ 33,757
Cumulative undistributed earnings not taxed domestically		3,600,000
Liabilities related to uncertain tax position	[1]	27,919	101,677
Unrecognized tax benefits, income tax penalties and interest accrued		3,000	6,500
Assets offsetting unrecognized tax benefits		15,100	50,900
Unrecognized tax benefits net of offsetting assets		9,800	44,300
Unrecognized tax benefits		25,384	$ 95,715	$ 24,969	$ 29,143
Maximum decrease in the liability related to uncertain tax positions		3,200
Domestic Country
Income Taxes [Line Items]
Tax credit carryovers		1,600
Valuation allowance on deferred tax asset		400
Net operating loss carryovers		114,600
Operating loss carryover, valuation allowance		32,200
State and Local Jurisdiction
Income Taxes [Line Items]
Capital loss carryovers		55,600
Capital loss carryover, valuation allowance		55,600
Foreign Country
Income Taxes [Line Items]
Valuation allowance on deferred tax asset		77,200
Net operating loss carryovers		307,800
Operating loss carryover, valuation allowance		197,500
Chemetall Surface Treatment
Income Taxes [Line Items]
Cumulative undistributed earnings not taxed domestically		$ 2,300,000

[1] See Note 20, “Income Taxes.”