SUPPLEMENTARY DATA (UNAUDITED) (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2014 |
Sep. 30, 2014 |
Jun. 30, 2014 |
Mar. 31, 2014 |
Dec. 31, 2013 |
Sep. 30, 2013 |
Jun. 30, 2015 |
Jun. 30, 2014 |
Jun. 30, 2013 |
|
| Quarterly Financial Information Disclosure [Abstract] | |||||||||||
| Net revenue | $ 145,267 | $ 147,456 | $ 153,137 | $ 150,087 | $ 156,007 | $ 148,331 | $ 138,439 | $ 129,687 | $ 595,947 | $ 572,464 | $ 320,823 |
| Gross profit | 66,138 | 65,977 | 69,021 | 61,051 | 68,861 | 65,612 | 60,971 | 58,023 | 262,187 | 253,467 | 135,334 |
| Income from operations(1) | 7,290 | 45,231 | 50,723 | 43,634 | 52,794 | 50,135 | 47,120 | 45,896 | 146,878 | 195,945 | 92,604 |
| Net income and comprehensive income | $ 4,518 | $ 41,137 | $ 46,265 | $ 37,743 | $ 49,418 | $ 45,199 | $ 41,792 | $ 40,528 | $ 129,663 | $ 176,937 | $ 80,490 |
| Net income per share of common stock: | |||||||||||
| Basic (in dollars per share) | $ 0.05 | $ 0.47 | $ 0.52 | $ 0.43 | $ 0.56 | $ 0.51 | $ 0.48 | $ 0.46 | $ 1.47 | $ 2.02 | $ 0.91 |
| Diluted (in dollars per share) | $ 0.05 | $ 0.46 | $ 0.52 | $ 0.42 | $ 0.55 | $ 0.50 | $ 0.47 | $ 0.45 | $ 1.45 | $ 1.97 | $ 0.89 |