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Income Taxes (Tables) | 12 Months Ended
--- | ---
Sep. 30, 2017
Income Taxes |
Components of Income Tax Expense (Benefit) |
﻿ |  |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |  |
﻿ |  |  | Year Ended September 30,
﻿ |  |  | 2017 |  | 2016 |  | 2015
﻿Current: |  |  |  |  |  |  |  |  |
﻿ | Federal |  | $ | 17,872 |  | $ | 81,127 |  | $ | 23,923
﻿ | State |  |  | 1,379 |  |  | 6,067 |  |  | 3,108
﻿ | Foreign |  |  | 15,118 |  |  | 9,689 |  |  | 18,343
﻿Deferred: |  |  |  |  |  |  |  |  |
﻿ | Federal |  |  | 16,907 |  |  | (40,801) |  |  | 19,236
﻿ | State |  |  | (2,561) |  |  | (9,054) |  |  | 751
﻿ | Foreign |  |  | 3,525 |  |  | (1,380) |  |  | (5,864)
﻿ |  |  | $ | 52,240 |  | $ | 45,648 |  | $ | 59,497
﻿
Earnings Before Income Taxes by Geographical Area |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  | Year Ended September 30,
﻿ |  | 2017 |  | 2016 |  | 2015
﻿United States |  | $ | 192,220 |  | $ | 175,146 |  | $ | 172,315
﻿Other countries |  |  | 60,527 |  |  | 51,340 |  |  | 68,634
﻿ |  | $ | 252,747 |  | $ | 226,486 |  | $ | 240,949
﻿
Composition of Deferred Income Taxes |
﻿ |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |
﻿ |  |  | At September 30,
﻿ |  |  | 2017 |  | 2016
﻿Deferred tax assets: |  |  |  |  |  |
﻿ | Defined benefit plans, other postretirement |  | $ | 11,947 |  | $ | 13,017
﻿ | Foreign net operating loss carryforwards |  |  | 4,707 |  |  | 5,255
﻿ | Inventory |  |  | 29,444 |  |  | 27,332
﻿ | Deferred and stock-based compensation |  |  | 37,693 |  |  | 34,388
﻿ | Defined benefit plans, pension |  |  | 1,148 |  |  | 8,955
﻿ | Deferred revenue |  |  | 92,426 |  |  | 92,213
﻿ | Other reserves |  |  | 10,850 |  |  | 13,968
﻿ | Tax credits and incentives |  |  | 9,769 |  |  | 7,744
﻿ | Other |  |  | 7,700 |  |  | 7,411
﻿ | Valuation allowance |  |  | (3,714) |  |  | (3,317)
﻿ | Total deferred tax assets, net of valuation allowance |  |  | 201,970 |  |  | 206,966
﻿Deferred tax liabilities: |  |  |  |  |  |
﻿ | Goodwill and intangibles - net |  |  | (103,781) |  |  | (99,030)
﻿ | Property, plant and equipment |  |  | (109,229) |  |  | (88,986)
﻿ | Other |  |  | (2,418) |  |  | (2,533)
﻿ | Total deferred tax liabilities |  |  | (215,428) |  |  | (190,549)
﻿Net deferred tax assets (liabilities) |  | $ | (13,458) |  | $ | 16,417
﻿
Reconciliation of U.S. Statutory Tax Rate to Effective Tax Rate |
﻿ |  |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |  |
﻿ |  |  | Year Ending September 30,
﻿Percent of pretax earnings |  |  | 2017 |  | 2016 |  | 2015
﻿Statutory tax rate |  |  | 35.0 | % |  | 35.0 | % |  | 35.0 | %
﻿State income taxes, net of federal tax benefit |  |  | (0.3) |  |  | 0.4 |  |  | 1.2 |
﻿Taxes on international activities |  |  | (7.6) |  |  | (2.2) |  |  | (3.8) |
﻿Research credit |  |  | (3.2) |  |  | (3.6) |  |  | (0.8) |
﻿Retroactive extension of research credit |  |  | - |  |  | (3.2) |  |  | (2.4) |
﻿Net excess income tax benefit from stock-based compensation |  |  | (1.4) |  |  | (2.6) |  |  | - |
﻿Domestic production activities deduction |  |  | (1.5) |  |  | (2.1) |  |  | (1.6) |
﻿Adjustments of prior period tax items |  |  | (0.9) |  |  | (0.2) |  |  | (2.1) |
﻿Other items, net |  |  | 0.6 |  |  | (1.3) |  |  | (0.8) |
﻿Effective tax rate |  |  | 20.7 | % |  | 20.2 | % |  | 24.7 | %
﻿
Reconciliation of the Beginning and Ending Amounts of Gross Unrecognized Tax Benefits |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  | Year Ending September 30,
﻿ |  | 2017 |  | 2016 |  | 2015
﻿Beginning balance |  | $ | 23,526 |  | $ | 21,469 |  | $ | 22,687
﻿Additions to current year tax positions |  |  | 2,560 |  |  | 3,588 |  |  | 2,234
﻿Reductions to prior year tax positions |  |  | (5,753) |  |  | (2,292) |  |  | (7,785)
﻿Additions to prior year tax positions |  |  | 3,501 |  |  | 761 |  |  | 5,124
﻿Lapse of applicable statute of limitations |  |  | (3,702) |  |  | - |  |  | (791)
﻿Ending balance |  | $ | 20,132 |  | $ | 23,526 |  | $ | 21,469
﻿

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