Defined Contribution Plan, Pension and Other Post-Retirement Benefit Plans - Weighted-Average Assumptions Used to Determine Net Periodic Benefit Cost (Detail)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
U.S. Pension and Other Post-Retirement Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Discount rate (as a percent)	3.40%	3.42%	3.87%
Expected return on plan assets (as a percent)	5.34%	7.00%	7.00%
Non-U.S. Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Discount rate (as a percent)	2.80%	2.45%	2.70%
Expected return on plan assets (as a percent)	3.70%	3.70%	3.70%
Maximum | U.S. Pension and Other Post-Retirement Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Discount rate (as a percent)	4.06%
Expected return on plan assets (as a percent)	7.00%
Minimum | U.S. Pension and Other Post-Retirement Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Discount rate (as a percent)	3.40%
Expected return on plan assets (as a percent)	5.34%