Income Taxes - Reconciliation Between U.S. Federal Income Tax Rate and Effective Tax Rate (Detail)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
U.S. federal income tax rate	21.00%	21.00%	35.00%
State income taxes—U.S.	2.90%	1.30%	(6.20%)
Nondeductible Compensation	1.90%	1.00%	0.00%
Foreign exchange on entity closures	1.80%	0.00%	0.00%
Valuation allowances	0.40%	0.50%	(3.30%)
Taxes on non-U.S. income - U.S., Canadian & European reorganization	0.30%	1.10%	(8.40%)
U.S. tax reform	0.00%	1.60%	66.60%
Manufacturing deduction credit	0.00%	(1.00%)	(15.30%)
Employee share-based payments	2.60%	1.60%	28.00%
Research and development credit	(0.60%)	(0.90%)	(4.70%)
Taxes on non-U.S. income	(0.50%)	0.40%	(24.60%)
Other	0.50%	(0.50%)	(1.60%)
Effective income tax rate	25.10%	22.90%	9.50%