| Quarter | Holdings | Value ($000) | Form Type | Date Filed | Filing ID | Name |
|---|---|---|---|---|---|---|
| Q3 2017 | 1 | 1,514,783 | 13F-HR | 11/14/2017 | 000095012317010552 | MADISON DEARBORN PARTNERS LLC |
| Q2 2017 | 1 | 1,510,208 | 13F-HR | 8/14/2017 | 000095012317007691 | MADISON DEARBORN PARTNERS LLC |
| Q1 2017 | 1 | 1,290,150 | 13F-HR | 5/15/2017 | 000095012317005151 | MADISON DEARBORN PARTNERS LLC |
| Q4 2016 | 1 | 1,145,123 | 13F-HR | 2/14/2017 | 000095012317002218 | MADISON DEARBORN PARTNERS LLC |
| Q3 2016 | 1 | 1,297,470 | 13F-HR | 11/14/2016 | 000095012316022322 | MADISON DEARBORN PARTNERS LLC |
| Q2 2016 | 1 | 1,553,375 | 13F-HR | 8/16/2016 | 000095012316020242 | Madison Dearborn Partners LLC |