Income Taxes - Reconciliation of Income Taxes Based on U.S. Federal Statutory Rate (Detail)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
U.S federal statutory income tax rate	21.00%	21.00%	35.00%
Change in valuation allowance, exclusive of state	1.20%	(0.90%)	(1.20%)
Foreign tax credits, exclusive of tax reform	(0.00%)	(0.00%)	13.50%
State taxes, net of federal taxes, exclusive of tax reform	(8.00%)	0.40%	8.90%
Non-U.S. earnings taxed at different rates	1.00%	1.30%	1.60%
Non-deductible mergers and acquisitions costs	0.00%	(0.20%)	0.00%
GILTI	(0.80%)	(0.50%)	0.00%
Goodwill impairment	0.00%	(14.10%)	0.00%
Nondeductible asset loss	(1.30%)	(0.10%)	(0.80%)
Research and development tax credit	(3.10%)	(0.30%)	(0.30%)
Change in uncertain tax positions	2.60%	0.10%	0.50%
Impact of tax reform:
Toll charge, net of foreign tax credit	0.00%	0.60%	(11.30%)
Remeasurement of deferred taxes pursuant to tax reform	0.00%	(0.90%)	64.10%
Tax reform impact on divestiture of business segment	0.00%	0.00%	33.20%
Impact of 2019 Treasury regulations	(11.50%)	0.00%	0.00%
Section 199 domestic production deduction	(0.00%)	(0.00%)	(0.70%)
Divestiture of business segment, exclusive of tax reform	0.00%	(0.90%)	13.30%
Return to provision	1.30%	(0.80%)	0.00%
Other adjustments, net	(2.30%)	(0.20%)	1.30%
Effective tax rate	6.30%	5.10%	132.10%