XML 30 R86.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Segments and Operations by Geographic Area (Schedule of Segment Reporting Information, by Segment) (Details) (USD $) | 3 Months Ended
--- | ---
Mar. 31, 2013 | Mar. 31, 2012
Segment Reporting Information [Line Items] |  |
Revenue | $ 918,648,000 | $ 738,257,000
Depreciation | 31,753,000 | 20,954,000
Amortization | 4,200,000 | 2,800,000
Segment, Continuing Operations [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenue | 918,600,000 | 738,300,000
EBITDA | 73,500,000 | 49,200,000
Depreciation | 31,753,000 | 20,717,000
Amortization | 4,200,000 | 2,800,000
Segment, Continuing Operations [Member] | Property and Equipment [Member] |  |
Segment Reporting Information [Line Items] |  |
Depreciation | 27,600,000 | 17,900,000
Intersegment Elimination [Member] | Segment, Continuing Operations [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenue | (800,000) | (700,000)
EBITDA | 0 | (100,000)
Amortization | 0 | 0
Intersegment Elimination [Member] | Segment, Continuing Operations [Member] | Property and Equipment [Member] |  |
Segment Reporting Information [Line Items] |  |
Depreciation | 0 | 0
Communications [Member] | Reportable Segment [Member] | Segment, Continuing Operations [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenue | 424,900,000 | 389,100,000
EBITDA | 46,400,000 | 32,800,000
Amortization | 1,100,000 | 400,000
Communications [Member] | Reportable Segment [Member] | Segment, Continuing Operations [Member] | Property and Equipment [Member] |  |
Segment Reporting Information [Line Items] |  |
Depreciation | 7,100,000 | 6,200,000
Oil and Gas [Member] | Reportable Segment [Member] | Segment, Continuing Operations [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenue | 318,800,000 | 167,700,000
EBITDA | 42,400,000 | 12,600,000
Amortization | 2,200,000 | 500,000
Oil and Gas [Member] | Reportable Segment [Member] | Segment, Continuing Operations [Member] | Property and Equipment [Member] |  |
Segment Reporting Information [Line Items] |  |
Depreciation | 16,400,000 | 8,700,000
Electrical Transmission [Member] | Reportable Segment [Member] | Segment, Continuing Operations [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenue | 84,600,000 | 64,400,000
EBITDA | 3,400,000 | 8,400,000
Amortization | 300,000 | 1,200,000
Electrical Transmission [Member] | Reportable Segment [Member] | Segment, Continuing Operations [Member] | Property and Equipment [Member] |  |
Segment Reporting Information [Line Items] |  |
Depreciation | 2,000,000 | 1,400,000
Power Generation and Industrial [Member] | Reportable Segment [Member] | Segment, Continuing Operations [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenue | 88,900,000 | 117,400,000
EBITDA | (200,000) | 5,000,000
Amortization | 500,000 | 700,000
Power Generation and Industrial [Member] | Reportable Segment [Member] | Segment, Continuing Operations [Member] | Property and Equipment [Member] |  |
Segment Reporting Information [Line Items] |  |
Depreciation | 1,200,000 | 1,000,000
All Other Segments [Member] | Reportable Segment [Member] | Segment, Continuing Operations [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenue | 2,300,000 | 400,000
EBITDA | 100,000 | (200,000)
Amortization | 0 | 0
All Other Segments [Member] | Reportable Segment [Member] | Segment, Continuing Operations [Member] | Property and Equipment [Member] |  |
Segment Reporting Information [Line Items] |  |
Depreciation | 0 | 0
Corporate [Member] | Reportable Segment [Member] | Segment, Continuing Operations [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenue | 0 | 0
EBITDA | (18,600,000) | (9,300,000)
Amortization | 0 | 0
Corporate [Member] | Reportable Segment [Member] | Segment, Continuing Operations [Member] | Property and Equipment [Member] |  |
Segment Reporting Information [Line Items] |  |
Depreciation | $ 900,000 | $ 700,000

X
- Definition Income from continuing operations before interest, taxes, depreciation and amortization + References No definition available. + Details
Name: | mtz_Ebitda
Namespace Prefix: | mtz_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(2) -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 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 + Details
Name: | us-gaap_AmortizationOfIntangibleAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 + Details
Name: | us-gaap_DepreciationDepletionAndAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains. + 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) -URI http://asc.fasb.org/extlink&oid=6880815&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
Name: | us-gaap_Revenues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration