Entity wide disclosure on geographic areas revenue from external customers attributed to domestic and foreign countries.

No definition available.

+ Details

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Namespace Prefix:	mtrn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Details

Name:	mtrn_GeographicAreasLongLivedAssetsAndRevenueAbstract
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- Definition

Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 280

-SubTopic 10

-Section 50

-Paragraph 41

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1(a))

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

+ Details

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- Details

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Segment Reporting and Geographic Information (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 26, 2014	Jun. 27, 2014	Mar. 28, 2014	Dec. 31, 2013	Sep. 27, 2013	Jun. 28, 2013	Mar. 29, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Sales and long-lived assets attributed to countries based upon the location of customers
Net sales from U.S. operations									$ 884,175	$ 962,288	$ 1,064,779
Net sales based upon location of customers	288,426us-gaap_SalesRevenueGoodsNet	291,570us-gaap_SalesRevenueGoodsNet	287,965us-gaap_SalesRevenueGoodsNet	258,929us-gaap_SalesRevenueGoodsNet	286,138us-gaap_SalesRevenueGoodsNet	275,434us-gaap_SalesRevenueGoodsNet	306,141us-gaap_SalesRevenueGoodsNet	299,169us-gaap_SalesRevenueGoodsNet	1,126,890us-gaap_SalesRevenueGoodsNet	1,166,882us-gaap_SalesRevenueGoodsNet	1,273,078us-gaap_SalesRevenueGoodsNet
Long-lived assets by country deployed	352,872us-gaap_NoncurrentAssets				372,866us-gaap_NoncurrentAssets				352,872us-gaap_NoncurrentAssets	372,866us-gaap_NoncurrentAssets	390,164us-gaap_NoncurrentAssets
United States [Member]
Sales and long-lived assets attributed to countries based upon the location of customers
Net sales based upon location of customers									731,203	810,642	881,968
Long-lived assets by country deployed	322,090				340,922				322,090	340,922	354,122
All other [Member]
Sales and long-lived assets attributed to countries based upon the location of customers
Net sales based upon location of customers									395,687	356,240	391,110
Long-lived assets by country deployed	$ 30,782				$ 31,944				$ 30,782	$ 31,944	$ 36,042