Segments (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Oct. 01, 2011	Oct. 02, 2010	Oct. 03, 2009
Revenue, Major Customer [Line Items]
Percentage of aftermarket sale in commercial production segment		36.00%
Sales arising from U.S. Government prime or sub-contracts, including military sales to Boeing	$ 738,429	$ 740,701	$ 705,145
Boeing [Member]
Revenue, Major Customer [Line Items]
Sales to Boeing and Boeing Commercial Airplanes	229,825	206,775
Percentage of sales to Boeing	10.00%	10.00%
Boeing Commercial Airplanes [Member]
Revenue, Major Customer [Line Items]
Sales to Boeing and Boeing Commercial Airplanes	$ 110,802	$ 91,112

Percentage of aftermarket sale in commercial production segment.

Name:	moga_PercentageOfAftermarketSaleInCommercialProductionSegment
Namespace Prefix:	moga
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Sales arising from U.S. government prime or sub contracts including military sales.

+ Details

Name:	moga_SalesArisingFromGovernmentPrimeOrSubContractsIncludingMilitarySales
Namespace Prefix:	moga
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of revenue generated from a single external customer that accounts for 10 percent or more of an entity's revenues.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 39

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 280

-SubTopic 10

-Section 50

-Paragraph 42

-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9054-108599

+ Details

Name:	us-gaap_EntityWideRevenueMajorCustomerAmount
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ Details

Name:	us-gaap_EntityWideRevenueMajorCustomerLineItems
Namespace Prefix:	us-gaap
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of net product revenue to total net revenue from the sale of goods as of year end.

+ Details

Name:	us-gaap_SalesRevenueGoodsNetPercentage
Namespace Prefix:	us-gaap
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant