Retirement Benefit Plans - Weighted Average Actuarial Assumptions Used to Determine Projected Benefit Obligation for Defined Benefit Retirement Plans (Detail)	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
U.S. and Puerto Rico [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Discount rate	3.40%	4.38%	3.78%
Rate of compensation increase	3.29%	3.29%	3.29%
Foreign [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Discount rate	0.74%	1.41%	1.27%
Rate of compensation increase	2.45%	2.13%	2.19%