Schedule of Estimated Fair Value of TSR Performance-Based Restricted Stock Unit Awards Assumptions (Detail) - TSR Performance-Based Restricted Stock Units |
3 Months Ended | |
---|---|---|
Mar. 31, 2019 |
Apr. 01, 2018 |
|
Share-based Compensation Arrangement by Share-based Payment Award | ||
Risk-free interest rate | 2.60% | 2.20% |
Expected historical volatility | 31.80% | 26.80% |
Dividend yield | 1.00% | 0.80% |
New York Stock Exchange Composite Index | ||
Share-based Compensation Arrangement by Share-based Payment Award | ||
Expected historical volatility | 12.00% | 12.40% |