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| 0001193125-16-560261-index.html | 2016-04-27 20:15:07 | |
| 0001193125-16-560261.txt | 2016-04-27 20:15:07 | |
 0001193125-16-560261-xbrl.zip | 79300 | 2016-04-27 20:15:07 |
| crr-20160331.xml | 234934 | 2016-04-27 20:15:07 |
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| crr-20160331_cal.xml | 55380 | 2016-04-27 20:15:07 |
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| crr-20160331_lab.xml | 291116 | 2016-04-27 20:15:07 |
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| d158921dex95.htm | 26162 | 2016-04-27 20:15:07 |
| FilingSummary.xml | 20179 | 2016-04-27 20:15:07 |
| Financial_Report.xlsx | 38549 | 2016-04-27 20:15:07 |
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| report.css | 2767 | 2016-04-27 20:15:07 |
| Show.js | 1410 | 2016-04-27 20:15:07 |