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Prior Period Adjustment Recorded in Current Period (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 36 Months Ended
--- | --- | --- | ---
Mar. 31, 2016 | Sep. 30, 2015 | Mar. 31, 2015 | Mar. 31, 2016 | Mar. 31, 2015 | Jun. 30, 2015
Error Corrections and Prior Period Adjustments [Line Items] |  |  |  |  |  |
Net sales | $ 532,721 |  | $ 471,225 | $ 1,691,303 | $ 1,417,561 |
Net income | $ 16,662 |  | $ 23,056 | $ 65,050 | $ 75,161 |
Adjustment of net sales | Previously reported |  |  |  |  |  |
Error Corrections and Prior Period Adjustments [Line Items] |  |  |  |  |  |
Net sales |  |  |  |  |  | $ 9,259
Adjustment of net sales | Prior period adjustment |  |  |  |  |  |
Error Corrections and Prior Period Adjustments [Line Items] |  |  |  |  |  |
Net sales |  | $ (9,259) |  |  |  |
Adjustment of net income | Previously reported |  |  |  |  |  |
Error Corrections and Prior Period Adjustments [Line Items] |  |  |  |  |  |
Net income |  |  |  |  |  | $ 5,926
Adjustment of net income | Prior period adjustment |  |  |  |  |  |
Error Corrections and Prior Period Adjustments [Line Items] |  |  |  |  |  |
Net income |  | $ (5,926) |  |  |  |

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