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Reclassifications out of Accumulated Other Comprehensive Loss (Details 2) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2012
Amounts Reclassified from Accumulated Other Comprehensive Loss |  |  |  |  |  |  |  |  |  |  |
Income before income tax expense | $ 94,300 | $ 82,800 | $ 57,700 | $ 80,000 | $ 114,000 | $ 101,400 | $ 68,700 | $ 51,700 | $ 314,788 | $ 335,774 | $ 17,483
Income tax expense | (29,600) | (13,700) | (15,200) | (23,500) | (35,800) | (30,100) | (14,000) | (12,700) | (82,024) | (92,578) | (74,416)
Net income (loss) | $ 64,700 | $ 69,100 | $ 42,500 | $ 56,500 | $ 78,200 | $ 71,300 | $ 54,700 | $ 39,000 | 232,764 | 243,196 | (56,933)
Parent |  |  |  |  |  |  |  |  |  |  |
Amounts Reclassified from Accumulated Other Comprehensive Loss |  |  |  |  |  |  |  |  |  |  |
Income before income tax expense |  |  |  |  |  |  |  |  | 201,300 | 195,200 | (80,900)
Income tax expense |  |  |  |  |  |  |  |  | 28,600 | 44,100 | 22,400
Net income (loss) |  |  |  |  |  |  |  |  | 229,900 | 239,300 | (58,500)
Cash flow hedges/Loss on Derivative Instruments | Reclassification out of Accumulated Other Comprehensive Income |  |  |  |  |  |  |  |  |  |  |
Amounts Reclassified from Accumulated Other Comprehensive Loss |  |  |  |  |  |  |  |  |  |  |
Income tax expense |  |  |  |  |  |  |  |  | (1,200) | (1,200) | (900)
Net income (loss) |  |  |  |  |  |  |  |  | 1,700 | 1,800 | 1,300
Cash flow hedges/Loss on Derivative Instruments | Reclassification out of Accumulated Other Comprehensive Income | Interest Expense |  |  |  |  |  |  |  |  |  |  |
Amounts Reclassified from Accumulated Other Comprehensive Loss |  |  |  |  |  |  |  |  |  |  |
Income before income tax expense |  |  |  |  |  |  |  |  | 2,900 | 3,000 | 2,200
Actuarial losses/Pension Related Adjustments | Reclassification out of Accumulated Other Comprehensive Income |  |  |  |  |  |  |  |  |  |  |
Amounts Reclassified from Accumulated Other Comprehensive Loss |  |  |  |  |  |  |  |  |  |  |
Income tax expense |  |  |  |  |  |  |  |  | (2,600) | (2,700) | (1,700)
Net income (loss) |  |  |  |  |  |  |  |  | 6,100 | 5,300 | 3,000
Actuarial losses/Pension Related Adjustments | Reclassification out of Accumulated Other Comprehensive Income | Cost of Sales and General and Administrative Expense |  |  |  |  |  |  |  |  |  |  |
Amounts Reclassified from Accumulated Other Comprehensive Loss |  |  |  |  |  |  |  |  |  |  |
Income before income tax expense |  |  |  |  |  |  |  |  | $ 8,700 | $ 8,000 | $ 4,700

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