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Unaudited Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2018 | Mar. 31, 2017 | Mar. 31, 2018 | Mar. 31, 2017
Net income | $ 12,800 | $ 7,661 | $ 23,994 | $ 32,403
Other comprehensive income (loss): |  |  |  |
Actuarial gains (losses) and other changes in unrecognized costs | (285) | (128) | (623) | 503
Amortization of unrecognized costs | 1,378 | 1,427 | 4,114 | 4,294
Change in unrealized gains (losses) | (316) | (3,445) | (1,893) | (2,891)
Foreign currency translation gains (losses) | 11,694 | 4,498 | 14,148 | (7,109)
Other comprehensive income (loss) before tax | 14,834 | 2,432 | 19,173 | (4,819)
Actuarial gains (losses) and other changes in unrecognized costs | (348) | 29 | 129 | (105)
Amortization of unrecognized costs | (329) | (503) | (1,134) | (1,511)
Change in unrealized gains and (losses) | (127) | 1,311 | (231) | 1,100
Amortization of unrealized (losses) into interest expense | (7) | (30) | (51) | (146)
Income tax provision (benefit) to other comprehensive income (loss) | (811) | 807 | (1,287) | (662)
Other comprehensive gain (loss), net of tax | 14,023 | 3,239 | 17,886 | (5,481)
Comprehensive income | 26,823 | 10,900 | 41,880 | 26,922
Interest Expense [Member] |  |  |  |
Other comprehensive income (loss): |  |  |  |
Amortization of unrealized gains and (losses) | $ 2,363 | $ 80 | $ 3,427 | $ 384

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