Name:	exam_Note3AcquisitionsDetailsPreliminaryAllocationofPurchasePrice2012LineItems
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The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will be amortized.

+ References

No definition available.

+ Details

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- Definition

Amount of acquisition cost of a business combination allocated to noncurrent deferred tax assets net of valuation allowance and noncurrent deferred tax liabilities.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Amount of liabilities assumed at the acquisition date.

+ References

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 55

-Paragraph 37

-URI http://asc.fasb.org/extlink&oid=25498275&loc=d3e2207-128464

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- Definition

The amount of property, plant, and equipment recognized as of the acquisition date.

+ References

+ Details

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

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Note 3 - Acquisitions (Details) - Preliminary Allocation of Purchase Price 2012 (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Note 3 - Acquisitions (Details) - Preliminary Allocation of Purchase Price 2012 [Line Items]
Goodwill	$ 369,312	$ 370,143	$ 300,260
Preliminary Purchase Price Allocation [Member] \| Customer Relationships [Member]
Note 3 - Acquisitions (Details) - Preliminary Allocation of Purchase Price 2012 [Line Items]
Intangible assets	44,413	44,413
Preliminary Purchase Price Allocation [Member] \| Trade Names [Member]
Note 3 - Acquisitions (Details) - Preliminary Allocation of Purchase Price 2012 [Line Items]
Intangible assets	11,901	11,901
Preliminary Purchase Price Allocation [Member] \| Noncompete Agreements [Member]
Note 3 - Acquisitions (Details) - Preliminary Allocation of Purchase Price 2012 [Line Items]
Intangible assets	313	313
Preliminary Purchase Price Allocation [Member] \| Unpatented Technology [Member]
Note 3 - Acquisitions (Details) - Preliminary Allocation of Purchase Price 2012 [Line Items]
Intangible assets	666	666
Preliminary Purchase Price Allocation [Member]
Note 3 - Acquisitions (Details) - Preliminary Allocation of Purchase Price 2012 [Line Items]
Equipment and leasehold improvements	850	850
Goodwill	65,979	60,373
Net deferred tax liability associated with step-up in book basis	(15,446)	(9,610)
Liabilities assumed, net	849	269
Totals	109,525	109,175
Purchase Price Adjustments and Reclassifications [Member]
Note 3 - Acquisitions (Details) - Preliminary Allocation of Purchase Price 2012 [Line Items]
Goodwill	5,606
Net deferred tax liability associated with step-up in book basis	(5,836)
Liabilities assumed, net	580
Totals	$ 350