Retirement Benefit Plans - Weighted Average Actuarial Assumptions Used to Determine Projected Benefit Obligation for Defined Benefit Retirement Plans (Detail)	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
U.S. and Puerto Rico [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Discount rate	4.32%	4.36%	4.10%
Rate of compensation increase	3.29%	3.29%	3.29%
Foreign-based Defined Benefit Plans [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Discount rate	1.41%	1.86%	1.38%
Rate of compensation increase	2.08%	2.02%	1.43%