Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands		12 Months Ended
	Jan. 01, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Taxes [Line Items]
Reduction in federal statutory rate		35.00%	35.00%	35.00%
Provisional tax benefit related to remeasurement of deferred tax balances		$ 62,300
Provisional tax expense related to transition tax on foreign earnings		429,200
Increase in Federal deferred benefit		70,800
Increase in valuation allowance		408,252	$ 20,568	$ 59,889
Tax credit carryovers		11,634	1,029
Valuation allowance on deferred tax asset		458,288	69,900	84,137	$ 30,768
Cumulative undistributed earnings of foreign subsidiaries		4,800,000
Income tax benefit related to previously taxed foreign earnings		9,700
Liabilities related to uncertain tax position		24,369	27,919
Unrecognized tax benefits, income tax penalties and interest accrued		2,900	3,000
Assets offsetting unrecognized tax benefits		14,600	15,100
Unrecognized tax benefits net of offsetting assets		6,900	9,800
Unrecognized tax benefits		21,438	$ 25,384	$ 95,715	$ 24,969
Decrease in liability related to uncertain tax positions		1,600
Domestic Country
Income Taxes [Line Items]
Tax credit carryovers		11,600
Valuation allowance on deferred tax asset		300
Net operating loss carryovers		156,100
Operating loss carryover, valuation allowance		39,300
State and Local Jurisdiction
Income Taxes [Line Items]
Capital loss carryover, valuation allowance		8,700
Foreign Country
Income Taxes [Line Items]
Valuation allowance on deferred tax asset		34,400
Net operating loss carryovers		1,750,000
Operating loss carryover, valuation allowance		1,730,000
Subsequent Event
Income Taxes [Line Items]
Reduction in federal statutory rate	21.00%
Rockwood Holdings, Inc.
Income Taxes [Line Items]
Increase in federal current expense related to transition tax on foreign earnings		387,000
Change in Estimate, Foreign Net Operating Loss
Income Taxes [Line Items]
Increase in valuation allowance		$ 400,600