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Condensed Consolidated Statements of Earnings (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Consolidated Statements of Earnings
Net sales	$ 487,646us-gaap_SalesRevenueNet	$ 429,042us-gaap_SalesRevenueNet
Costs and expenses:
Cost of goods sold	343,760us-gaap_CostOfGoodsSold	315,466us-gaap_CostOfGoodsSold
Selling, general and administrative expenses	39,843us-gaap_SellingGeneralAndAdministrativeExpense	37,328us-gaap_SellingGeneralAndAdministrativeExpense
Research and development costs	34,029us-gaap_ResearchAndDevelopmentExpense	29,424us-gaap_ResearchAndDevelopmentExpense
Amortization of intangible assets	7,575us-gaap_AmortizationOfIntangibleAssets	8,484us-gaap_AmortizationOfIntangibleAssets
Interest expense	5,949us-gaap_InterestExpense	6,062us-gaap_InterestExpense
Interest income	(127)us-gaap_InvestmentIncomeInterest	(59)us-gaap_InvestmentIncomeInterest
Other (income) expense, net (Note 15)	(455)us-gaap_OtherNonoperatingIncomeExpense	(607)us-gaap_OtherNonoperatingIncomeExpense
Total costs and expenses	430,574wwd_CostsAndExpensesAll	396,098wwd_CostsAndExpensesAll
Earnings before income taxes	57,072us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	32,944us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Income tax expense	13,288us-gaap_IncomeTaxExpenseBenefit	9,561us-gaap_IncomeTaxExpenseBenefit
Net earnings	$ 43,784us-gaap_NetIncomeLoss	$ 23,383us-gaap_NetIncomeLoss
Earnings per share (Note 3):
Basic earnings per share	$ 0.67us-gaap_EarningsPerShareBasic	$ 0.35us-gaap_EarningsPerShareBasic
Diluted earnings per share	$ 0.66us-gaap_EarningsPerShareDiluted	$ 0.34us-gaap_EarningsPerShareDiluted
Weighted Average Common Shares Outstanding (Note 3):
Basic	65,322us-gaap_WeightedAverageNumberOfSharesOutstandingBasic	67,724us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Diluted	66,739us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding	69,021us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Cash dividends per share paid to Woodward common stockholders	$ 0.08us-gaap_CommonStockDividendsPerShareCashPaid	$ 0.08us-gaap_CommonStockDividendsPerShareCashPaid

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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