Income Taxes - Reconciliation of Income Taxes Based on U.S. Federal Statutory Rate (Detail)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
U.S federal statutory income tax rate	21.00%	35.00%	34.00%
Change in valuation allowance	(0.90%)	(1.20%)	(6.10%)
Foreign tax credits, exclusive of tax reform	(0.00%)	(13.80%)	8.20%
State taxes, net of federal taxes, exclusive of tax reform	0.40%	9.10%	5.70%
Non-U.S. earnings taxed at different rates	1.20%	1.70%	4.80%
Non-deductible mergers and acquisitions costs	(0.20%)	0.00%	0.00%
GILTI	(0.30%)	0.00%	0.00%
Goodwill impairment	(15.50%)	0.00%	0.00%
R&D Tax credit	0.30%	0.30%	0.90%
Change in uncertain tax positions	0.30%	(0.40%)	3.20%
Impact of Tax Reform
Toll Charge, net of foreign tax credit	0.60%	(11.50%)	0.00%
Remeasurement of deferred taxes pursuant to tax reform	(0.90%)	65.60%	0.00%
Tax Reform impact on divestiture of business segment	0.00%	33.90%	0.00%
Section 199/Domestic Production Deduction	(0.00%)	0.80%	(0.00%)
Divestiture of Business Segment, exclusive of tax reform	(0.90%)	13.60%	0.00%
Return to provision	(0.80%)	0.00%	0.00%
Prior period revisions	0.00%	0.50%	4.20%
Foreign JV net income	0.00%	0.00%	(4.10%)
Other adjustments, net	(0.10%)	0.60%	(0.80%)
Effective tax rate	4.20%	134.20%	50.00%