Exhibit A
TRANSACTIONS SINCE THE MOST RECENT FILING
The Reporting Persons engaged in the following transactions in shares of Common Stock of the Issuer since the most recent filing of Schedule 13D on February 21, 2020:
| Account | Date of Transaction | Transaction Type (Purchase or Sale) | Shares | Price |
| IVAGF | 2/24/2020 | Purchase | 698 | $33.48 |
| WORLD | 2/24/2020 | Purchase | 13,621 | $33.48 |
| Managed Accounts | 2/24/2020 | Purchase | 5,681 | $33.48 |
| IVAGF | 2/25/2020 | Purchase | 2,756 | $32.95 |
| WORLD | 2/25/2020 | Purchase | 53,796 | $32.95 |
| SICAV | 2/25/2020 | Purchase | 4,616 | $32.95 |
| Managed Accounts | 2/25/2020 | Purchase | 22,440 | $32.95 |
| IVAGF | 2/25/2020 | Purchase | 949 | $32.96 |
| WORLD | 2/25/2020 | Purchase | 18,535 | $32.96 |
| Managed Accounts | 2/25/2020 | Purchase | 7,733 | $32.96 |
| IVAGF | 2/26/2020 | Purchase | 4,748 | $32.43 |
| WORLD | 2/26/2020 | Purchase | 92,689 | $32.43 |
| SICAV | 2/26/2020 | Purchase | 7,953 | $32.43 |
| Managed Accounts | 2/26/2020 | Purchase | 38,665 | $32.43 |
| IVAGF | 2/27/2020 | Purchase | 2,962 | $30.93 |
| WORLD | 2/27/2020 | Purchase | 57,834 | $30.93 |
| SICAV | 2/27/2020 | Purchase | 4,963 | $30.93 |
| Managed Accounts | 2/27/2020 | Purchase | 24,125 | $30.93 |
| IVAGF | 2/28/2020 | Purchase | 328 | $29.69 |
| WORLD | 2/28/2020 | Purchase | 6,761 | $29.69 |
| SICAV | 2/28/2020 | Purchase | 1,863 | $29.69 |
| Managed Accounts | 2/28/2020 | Purchase | 2,295 | $29.69 |
| IVAGF | 2/28/2020 | Purchase | 4,854 | $30.15 |
| WORLD | 2/28/2020 | Purchase | 99,776 | $30.15 |
| SICAV | 2/28/2020 | Purchase | 14,871 | $30.15 |
| Managed Accounts | 2/28/2020 | Purchase | 36,419 | $30.15 |
| Managed Account | 3/2/2020 | Sale | 33,153 | $30.62 |
| IVAGF | 3/2/2020 | Purchase | 4,045 | $30.61 |
| WORLD | 3/2/2020 | Purchase | 83,157 | $30.61 |
| SICAV | 3/2/2020 | Purchase | 12,394 | $30.61 |
| Managed Accounts | 3/2/2020 | Purchase | 30,353 | $30.61 |
| IVAGF | 3/3/2020 | Purchase | 258 | $30.79 |
| WORLD | 3/3/2020 | Purchase | 5,314 | $30.79 |
| SICAV | 3/3/2020 | Purchase | 792 | $30.79 |
| Managed Accounts | 3/3/2020 | Purchase | 1,940 | $30.79 |
| Managed Account | 3/3/2020 | Sale | 88,920 | $30.40 |
