| SC 13G/A | 2015-02-10 | VANGUARD GROUP INC | Artisan Partners Asset Management Inc. | 1,871,489 | 5.5% | EDGAR |
| SC 13G/A | 2015-02-10 | Hellman & Friedman LLC | Artisan Partners Asset Management Inc. | - | 0.0% | EDGAR |
| SC 13G | 2015-02-09 | JENNISON ASSOCIATES LLC | Artisan Partners Asset Management Inc. | 2,023,619 | 5.9% | EDGAR |
| SC 13G | 2015-02-05 | KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | Artisan Partners Asset Management Inc. | 2,764,080 | 8.1% | EDGAR |
| SC 13G | 2015-01-13 | EATON VANCE MANAGEMENT | Artisan Partners Asset Management Inc. | 2,452,945 | 7.2% | EDGAR |
| SC 13G/A | 2015-01-06 | EAGLE ASSET MANAGEMENT INC | Artisan Partners Asset Management Inc. | 696,677 | 2.0% | EDGAR |
| SC 13G | 2015-01-05 | ROYCE & ASSOCIATES LLC | Artisan Partners Asset Management Inc. | 1,797,276 | 5.3% | EDGAR |
| SC 13G/A | 2014-12-10 | WELLINGTON MANAGEMENT CO LLP | Artisan Partners Asset Management Inc. | 0 | 0.0% | EDGAR |
| SC 13G | 2014-10-10 | FMR LLC | Artisan Partners Asset Management Inc. | 3,661,643 | 11.2% | EDGAR |
| SC 13G/A | 2014-09-10 | WELLINGTON MANAGEMENT CO LLP | Artisan Partners Asset Management Inc. | 1,957,665 | 6.0% | EDGAR |
| SC 13D/A | 2014-07-21 | Colson Eric R | Artisan Partners Asset Management Inc. | 24,493,408 | 45.3% | EDGAR |
| SC 13G/A | 2014-04-10 | WELLINGTON MANAGEMENT CO LLP | Artisan Partners Asset Management Inc. | 3,951,267 | 13.6% | EDGAR |
| SC 13D/A | 2014-03-13 | ZIEGLER ANDREW A | Artisan Partners Asset Management Inc. | 8,183,498 | 22.0% | EDGAR |
| SC 13D | 2014-03-12 | Colson Eric R | Artisan Partners Asset Management Inc. | 23,183,405 | 45.7% | EDGAR |
| SC 13G/A | 2014-03-10 | LORD, ABBETT & CO. LLC | Artisan Partners Asset Management Inc. | 850,587 | 4.3% | EDGAR |
| SC 13G/A | 2014-02-14 | LORD, ABBETT & CO. LLC | Artisan Partners Asset Management Inc. | 1,373,734 | 6.9% | EDGAR |
| SC 13G | 2014-02-14 | WELLINGTON MANAGEMENT CO LLP | Artisan Partners Asset Management Inc. | 1,957,684 | 9.9% | EDGAR |
| SC 13G | 2014-02-14 | BAMCO INC /NY/ | Artisan Partners Asset Management Inc. | 1,151,531 | 5.8% | EDGAR |
| SC 13G | 2014-02-14 | Hellman & Friedman LLC | Artisan Partners Asset Management Inc. | 4,836,898 | 19.6% | EDGAR |
| SC 13G | 2014-02-12 | PRICE T ROWE ASSOCIATES INC /MD/ | Artisan Partners Asset Management Inc. | 1,430,060 | 7.2% | EDGAR |