Exhibit A
TRANSACTIONS DURING PAST 60 DAYS
The Reporting Persons engaged in the following transactions in shares of Common Stock of the Issuer during the past 60 days:
| Account | Date of Transaction | Transaction Type (Purchase or Sale) | Shares | Price |
| | | | | |
| IVAGF | 1/2/2020 | Sale | 6,298 | $34.54 |
| SICAV | 1/6/2020 | Purchase | 2,487 | $34.67 |
| SICAV | 1/6/2020 | Purchase | 22,670 | $35.06 |
| Managed Account | 1/6/2020 | Purchase | 1,427 | $35.06 |
| SICAV | 1/7/2020 | Purchase | 45,566 | $35.49 |
| Managed Account | 1/7/2020 | Purchase | 2,868 | $35.49 |
| SICAV | 1/8/2020 | Purchase | 16,893 | $35.63 |
| SICAV | 1/8/2020 | Purchase | 23,902 | $35.38 |
| Managed Account | 1/8/2020 | Purchase | 1,504 | $35.38 |
| Managed Account | 1/8/2020 | Purchase | 5,470 | $35.63 |
| IVAGF | 1/9/2020 | Purchase | 2,719 | $35.93 |
| WORLD | 1/9/2020 | Purchase | 32,024 | $35.93 |
| SICAV | 1/9/2020 | Purchase | 2,849 | $35.93 |
| Managed Accounts | 1/9/2020 | Purchase | 29,594 | $35.93 |
| IVAGF | 1/10/2020 | Purchase | 4,047 | $35.46 |
| WORLD | 1/10/2020 | Purchase | 47,664 | $35.46 |
| SICAV | 1/10/2020 | Purchase | 4,241 | $35.46 |
| Managed Accounts | 1/10/2020 | Purchase | 44,048 | $35.46 |
| IVAGF | 1/13/2020 | Purchase | 1,417 | $35.63 |
| WORLD | 1/13/2020 | Purchase | 16,682 | $35.63 |
| SICAV | 1/13/2020 | Purchase | 1,484 | $35.63 |
| Managed Accounts | 1/13/2020 | Purchase | 15,417 | $35.63 |
| IVAGF | 1/14/2020 | Purchase | 2,630 | $36.18 |
| WORLD | 1/14/2020 | Purchase | 30,982 | $36.18 |
| SICAV | 1/14/2020 | Purchase | 2,757 | $36.18 |
| Managed Accounts | 1/14/2020 | Purchase | 28,631 | $36.18 |
| SICAV | 1/15/2020 | Purchase | 61,601 | $36.39 |
| IVAGF | 1/31/2020 | Purchase | 1,733 | $34.51 |
| WORLD | 1/31/2020 | Purchase | 29,636 | $34.51 |
| Managed Accounts | 1/31/2020 | Purchase | 18,918 | $34.51 |
| IVAGF | 2/3/2020 | Purchase | 3,033 | $35.11 |
| WORLD | 2/3/2020 | Purchase | 51,862 | $35.11 |
| Managed Accounts | 2/3/2020 | Purchase | 33,105 | $35.11 |
| Managed Account | 2/4/2020 | Purchase | 84,577 | $35.12 |
| Managed Account | 2/5/2020 | Sale | 9,186 | $36.26 |
| Managed Account | 2/5/2020 | Purchase | 87,423 | $35.97 |
| Managed Account | 2/6/2020 | Purchase | 25,000 | $35.88 |
| IVAGF | 2/11/2020 | Purchase | 1,483 | $33.17 |
| WORLD | 2/11/2020 | Purchase | 36,558 | $33.17 |
| SICAV | 2/11/2020 | Purchase | 3,112 | $33.17 |
| Managed Accounts | 2/11/2020 | Purchase | 23,989 | $33.17 |
| IVAGF | 2/12/2020 | Purchase | 989 | $34.00 |
| WORLD | 2/12/2020 | Purchase | 24,386 | $34.00 |
| SICAV | 2/12/2020 | Purchase | 2,076 | $34.00 |
| Managed Accounts | 2/12/2020 | Purchase | 16,002 | $34.00 |
| IVAGF | 2/13/2020 | Purchase | 1,116 | $34.44 |
| WORLD | 2/13/2020 | Purchase | 27,502 | $34.44 |
| SICAV | 2/13/2020 | Purchase | 2,342 | $34.44 |
| Managed Accounts | 2/13/2020 | Purchase | 18,046 | $34.44 |
| IVAGF | 2/14/2020 | Purchase | 50 | $34.73 |
| IVAGF | 2/14/2020 | Purchase | 1,065 | $35.02 |
| WORLD | 2/14/2020 | Purchase | 1,235 | $34.73 |
| WORLD | 2/14/2020 | Purchase | 26,264 | $35.02 |
| SICAV | 2/14/2020 | Purchase | 105 | $34.73 |
| SICAV | 2/14/2020 | Purchase | 2,236 | $35.02 |
| Managed Accounts | 2/14/2020 | Purchase | 810 | $34.73 |
| Managed Accounts | 2/14/2020 | Purchase | 11,107 | $35.02 |
