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v2.4.1.9

Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Mar. 31, 2015 | Mar. 31, 2014
Net income | $ 75,687 us-gaap_NetIncomeLoss |  | $ 52,216 us-gaap_NetIncomeLoss |  | $ 91,241 us-gaap_NetIncomeLoss |  | $ 71,504 us-gaap_NetIncomeLoss |
Other comprehensive income: |  |  |  |  |  |  |  |
Unrealized gain on pension plan obligation | 558 us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax | [1] | 528 us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax | [1] | 1,114 us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax | [1] | 1,056 us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax | [1]
Tax effect of unrealized gain on pension plan | (229)us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax |  | (216)us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax |  | (459)us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax |  | (432)us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax |
Total other comprehensive income | 329 us-gaap_OtherComprehensiveIncomeLossNetOfTax |  | 312 us-gaap_OtherComprehensiveIncomeLossNetOfTax |  | 655 us-gaap_OtherComprehensiveIncomeLossNetOfTax |  | 624 us-gaap_OtherComprehensiveIncomeLossNetOfTax |
Total comprehensive income | $ 76,016 us-gaap_ComprehensiveIncomeNetOfTax |  | $ 52,528 us-gaap_ComprehensiveIncomeNetOfTax |  | $ 91,896 us-gaap_ComprehensiveIncomeNetOfTax |  | $ 72,128 us-gaap_ComprehensiveIncomeNetOfTax |
[1] | Amount is included within general and administrative expenses.

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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=6519514 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Comprehensive Income -URI http://asc.fasb.org/extlink&oid=35737396 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e557-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=6518256 + Details
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