| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q3 2023 | $471M | -$35.8M | -7.06% | Sep 30, 2023 | 10-Q | 2023-11-13 |
| Q2 2023 | $507M | -$8.02M | -1.56% | Jun 30, 2023 | 10-Q | 2023-08-09 |
| Q1 2023 | $513M | -$10.4M | -1.98% | Mar 31, 2023 | 10-Q | 2023-05-10 |
| Q4 2022 | $505M | -$11M | -2.13% | Dec 31, 2022 | 10-Q | 2023-11-13 |
| Q3 2022 | $507M | -$31.1M | -5.78% | Sep 30, 2022 | 10-Q | 2022-11-04 |
| Q2 2022 | $515M | -$16.7M | -3.14% | Jun 30, 2022 | 10-Q | 2022-08-05 |
| Q1 2022 | $524M | -$10.3M | -1.93% | Mar 31, 2022 | 10-Q | 2022-05-10 |
| Q4 2021 | $516M | -$8.46M | -1.61% | Dec 31, 2021 | 10-K | 2023-03-13 |
| Q3 2021 | $538M | -$2.4M | -0.45% | Sep 30, 2021 | 10-Q | 2021-11-05 |
| Q2 2021 | $532M | -$9.36M | -1.73% | Jun 30, 2021 | 10-Q | 2021-08-05 |
| Q1 2021 | $534M | -$709K | -0.13% | Mar 31, 2021 | 10-Q | 2021-05-07 |
| Q4 2020 | $525M | -$33.9M | -6.06% | Dec 31, 2020 | 10-K | 2022-03-04 |
| Q3 2020 | $541M | -$45.6M | -7.78% | Sep 30, 2020 | 10-Q | 2020-11-13 |
| Q2 2020 | $541M | -$69.8M | -11.4% | Jun 30, 2020 | 10-Q | 2020-08-10 |
| Q1 2020 | $535M | -$77.6M | -12.7% | Mar 31, 2020 | 10-Q | 2020-06-02 |
| Q4 2019 | $558M | -$598K | -0.11% | Dec 31, 2019 | 10-K | 2021-03-04 |
| Q3 2019 | $586M | +$17.3M | +3.04% | Sep 30, 2019 | 10-Q | 2019-11-12 |
| Q2 2019 | $611M | +$46.5M | +8.23% | Jun 30, 2019 | 10-Q | 2019-08-09 |
| Q1 2019 | $612M | +$42.1M | +7.38% | Mar 31, 2019 | 10-Q | 2019-05-10 |
| Q4 2018 | $559M | -$13.8M | -2.41% | Dec 31, 2018 | 10-K | 2020-03-13 |
| Q3 2018 | $569M | -$14.7M | -2.52% | Sep 30, 2018 | 10-Q | 2018-11-08 |
| Q2 2018 | $565M | -$13.2M | -2.29% | Jun 30, 2018 | 10-Q | 2018-08-09 |
| Q1 2018 | $570M | -$8.34M | -1.44% | Mar 31, 2018 | 10-Q | 2018-05-10 |
| Q4 2017 | $573M | -$17.4M | -2.96% | Dec 31, 2017 | 10-K | 2019-03-13 |
| Q3 2017 | $584M | -$15.4M | -2.58% | Sep 30, 2017 | 10-Q | 2017-11-08 |
| Q2 2017 | $578M | -$14.5M | -2.45% | Jun 30, 2017 | 10-Q | 2017-08-08 |
| Q1 2017 | $579M | -$15.1M | -2.55% | Mar 31, 2017 | 10-Q | 2017-05-08 |
| Q4 2016 | $590M | -$5.9M | -0.99% | Dec 31, 2016 | 10-K | 2018-03-16 |
| Q3 2016 | $599M | +$4.18M | +0.7% | Sep 30, 2016 | 10-Q | 2016-11-09 |
| Q2 2016 | $592M | +$6.35M | +1.08% | Jun 30, 2016 | 10-Q | 2016-08-05 |
| Q1 2016 | $594M | +$11.3M | +1.94% | Mar 31, 2016 | 10-Q | 2016-05-06 |
| Q4 2015 | $596M | +$13M | +2.23% | Dec 31, 2015 | 10-K | 2017-03-10 |
| Q3 2015 | $595M | +$2.34M | +0.4% | Sep 30, 2015 | 10-Q | 2015-11-09 |
| Q2 2015 | $586M | -$3.01M | -0.51% | Jun 30, 2015 | 10-Q | 2015-08-07 |
| Q1 2015 | $582M | -$6.59M | -1.12% | Mar 31, 2015 | 10-Q | 2015-05-08 |
| Q4 2014 | $583M | +$8.05M | +1.4% | Dec 31, 2014 | 10-K | 2016-03-11 |
| Q3 2014 | $593M | +$21.5M | +3.76% | Sep 30, 2014 | 10-Q | 2014-11-07 |
| Q2 2014 | $589M | +$15.4M | +2.69% | Jun 30, 2014 | 10-Q | 2014-08-08 |
| Q1 2014 | $589M | +$7.03M | +1.21% | Mar 31, 2014 | 10-Q | 2014-05-09 |
| Q4 2013 | $575M | +$12.9M | +2.3% | Dec 31, 2013 | 10-K | 2015-03-13 |
| Q3 2013 | $571M | +$12M | +2.15% | Sep 30, 2013 | 10-Q | 2013-11-08 |
| Q2 2013 | $574M | +$14.3M | +2.56% | Jun 30, 2013 | 10-Q | 2013-08-09 |
| Q1 2013 | $582M | +$20M | +3.56% | Mar 31, 2013 | 10-Q | 2013-05-10 |
| Q4 2012 | $562M | +$871K | +0.16% | Dec 31, 2012 | 10-K | 2014-03-03 |
| Q3 2012 | $559M | -$4.13M | -0.73% | Sep 30, 2012 | 10-Q | 2012-11-09 |
| Q2 2012 | $559M | -$6.45M | -1.14% | Jun 30, 2012 | 10-Q | 2012-08-09 |
| Q1 2012 | $562M | Mar 31, 2012 | 10-Q | 2012-05-04 | ||
| Q4 2011 | $561M | -$13.2M | -2.29% | Dec 31, 2011 | 10-K | 2013-03-01 |
| Q3 2011 | $563M | Sep 30, 2011 | 10-Q | 2011-11-04 | ||
| Q2 2011 | $566M | Jun 30, 2011 | 10-Q | 2011-08-08 | ||
| Q4 2010 | $574M | Dec 31, 2010 | 10-K | 2012-03-09 |