This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 25

-Paragraph 23

-URI http://asc.fasb.org/extlink&oid=21917927&loc=d3e1043-128460

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(1)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

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- Definition

The purchase price of the acquired entity as stated in the purchase agreement. This price has not been adjusted for subsequent customary purchase price adjustments, for example working capital adjustments.

+ References

No definition available.

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- Definition

The current portion of the amount of contractual payments receivable from the seller of the acquired entity related to the commitment of the acquired entity to continue to provide services to the seller of the acquired entity. The amount is the balance expected to be received from the seller of the acquired entity in the next twelve months.

+ References

No definition available.

+ Details

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Namespace Prefix:	wwd_
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- Definition

The amount of contractual payments receivable from the seller of the acquired entity related to the commitment of the acquired entity to continue to provide services to the seller of the acquired entity.

+ References

No definition available.

+ Details

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- Definition

The current portion of a commitment for the acquired entity to continue to provide services to the seller of the acquired entity, for which the company will be paid by the seller of the acquired entity. This portion of the performance obligation that will be performed in the next twelve months.

+ References

No definition available.

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- Definition

The non-current portion of a commitment for the acquired entity to continue to provide services to the seller of the acquired entity, for which the company will be paid by the seller of the acquired entity.

+ References

No definition available.

+ Details

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- Definition

The current portion of unfavorable contracts assumed from the acquired entity. This amount is expected to be recognized in the next twelve months.

+ References

No definition available.

+ Details

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- Definition

The non-current portion of unfavorable contracts assumed from the acquired entity. This amount is not expected to be recognized in the next twelve months.

+ References

No definition available.

+ Details

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Business Acquisitions (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended	24 Months Ended	3 Months Ended	12 Months Ended
	Jun. 30, 2011 Business Acquisition, Acquiree - IDS [Member]	Sep. 30, 2011 Business Acquisition, Acquiree - IDS [Member]	Sep. 30, 2013 Business Acquisition, Acquiree - IDS [Member]	Dec. 31, 2012 Business Acquisition, Acquiree - Duarte Business [Member]	Sep. 30, 2013 Business Acquisition, Acquiree - Duarte Business [Member]	Dec. 28, 2012 Business Acquisition, Acquiree - Duarte Business [Member]
Purchase agreement contract price	$ 48,412			$ 200,000
Cash paid at closing	48,412			198,900
Current portion of contractual commitment acquired that is expected to result in future losses						4,758
Long-term portion of contractual commitment acquired that is expected to result in future losses						17,939
Long-term portion of performance obligation acquired						13,215
Current portion of performance obligation acquired						12,985
Long-term receivable from Seller for services to be provided to the Seller						18,097
Current receivable from Seller for services to be provided to the Seller						8,103
Transaction costs		2,396	0		1,944
Net Sales					$ 111,261