Leverage ratio associated with a company's debt agreements.

No definition available.

Name:	exam_ConsolidatedLeverageRatio
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Data Type:	xbrli:pureItemType
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- Definition

Consolidated Senior Secured Leverage Ratio

+ References

No definition available.

+ Details

Name:	exam_ConsolidatedSeniorSecuredLeverageRatio
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Data Type:	xbrli:pureItemType
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- Definition

Percentage price of original principal amount of debt at which debt was issued.

+ References

No definition available.

+ Details

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Namespace Prefix:	exam_
Data Type:	num:percentItemType
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Period Type:	duration

- Definition

Minimum percent of the original aggregate principal amount of debt outstanding after redemption which will allow the Company to redeem at a redemption price equal to 109% of the aggregate principal amount plus accrued and unpaid interest.

+ References

No definition available.

+ Details

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- Definition

Description of a feature that may require the issuer of the debt to repurchase it before the stated maturity date due to a change in control (as defined in the Indenture) at 101% of the principal amount plus accrued and unpaid interest.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of months by which the debt term has been extended.

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
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Period Type:	duration

- Definition

The amount of potential borrowing capacity under an existing line of credit if a company exercised its right to increase its capacity without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

No definition available.

+ Details

Name:	exam_LineOfCreditFacilityIncreaseCapacity
Namespace Prefix:	exam_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount by which a company is able to increase its capacity under an existing line of credit.

+ References

No definition available.

+ Details

Name:	exam_LineOfCreditFacilityIncreaseRight
Namespace Prefix:	exam_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Minimum Fixed Charge Coverage Ratio

+ References

No definition available.

+ Details

Name:	exam_MinimumFixedChargeCoverageRatio
Namespace Prefix:	exam_
Data Type:	xbrli:pureItemType
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- Details

Name:	exam_Note10LongtermDebtDetailsLineItems
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Data Type:	xbrli:stringItemType
Balance Type:	na
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- Definition

Limitation on borrowings in currencies other than the U.S. dollar.

+ References

No definition available.

+ Details

Name:	exam_SecuredRevolvingCreditFacilityAlternativeCurrencySublimit
Namespace Prefix:	exam_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

End date of debt instrument redemption period, in CCYY-MM-DD format.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 470

-Section 50

-Paragraph 3

-Subparagraph e

-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

+ Details

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Data Type:	xbrli:dateItemType
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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

+ Details

Name:	us-gaap_DebtInstrumentRedemptionPricePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
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- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

+ Details

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20, 22

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

Name:	us-gaap_LineOfCredit
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The maximum amount of borrowing capacity under a line of credit that is available as of the balance sheet date for a specific purpose other than for financing goods acquired for inventory or imminent delivery to a customer.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Net increase or decrease in the carrying amount of the credit facility for the period for reasons other than accrued, but unpaid interest, additional borrowings, repayments, and forgiveness.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(f))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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Balance Type:	credit
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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Balance Type:	credit
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- Definition

The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585

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Period Type:	duration

Note 10 - Long-term Debt (Details)	0 Months Ended		1 Months Ended							0 Months Ended		1 Months Ended					0 Months Ended			1 Months Ended	12 Months Ended	1 Months Ended	0 Months Ended		3 Months Ended	1 Months Ended		0 Months Ended						1 Months Ended
Note 10 - Long-term Debt (Details)	Jul. 07, 2011 USD ($)	May 06, 2011 USD ($)	Feb. 27, 2012	Mar. 31, 2015 USD ($)	Aug. 27, 2012 USD ($)	Dec. 31, 2011 USD ($)	Feb. 09, 2011 USD ($)	Nov. 02, 2010 USD ($)	Apr. 16, 2015 Subsequent Event [Member] Senior Notes 2023 [Member] USD ($)	Jul. 07, 2011 Original Maximum Consolidated Leverage Ratio [Member]	Jul. 07, 2011 New Maximum Consolidated Leverage Ratio [Member]	Feb. 27, 2012 Any Fiscal Quarter After Sep 30, 2012 [Member]	Feb. 03, 2014 With Negative Trailing Twelve Months Adjusted EBITDA [Member] USD ($)	Feb. 03, 2014 With Trailing Twelve Month Adjusted EDITDA [Member] USD ($)	Feb. 03, 2014 Without Delivering ProForma Projections to the Lenders [Member] USD ($)	Feb. 03, 2014 Default Rate [Member]	Jul. 19, 2011 Debt Instrument, Redemption, Period One [Member] Maximum [Member] Senior Unsecured Notes Payable [Member]	Jul. 19, 2011 Debt Instrument, Redemption, Period One [Member] Senior Unsecured Notes Payable [Member]	Jul. 19, 2011 Debt Instrument, Redemption, Period Two [Member] Senior Unsecured Notes Payable [Member]	Sep. 29, 2010 UKIM [Member] Minimum [Member]	Dec. 31, 2014 Premex Group [Member] Minimum [Member]	Jun. 28, 2013 Premex Group [Member]	Feb. 03, 2014 Federal Funds Rate Base [Member]	Feb. 03, 2014 London Interbank Offered Rate (LIBOR) [Member]	Mar. 31, 2015 London Interbank Offered Rate (LIBOR) [Member]	Jun. 28, 2013 Base Rate [Member] UKIM [Member]	Sep. 29, 2010 Base Rate [Member] UKIM [Member]	May 12, 2011 Base Rate [Member] Premex Group [Member]	Jul. 19, 2011 Initial Notes [Member] USD ($)	Jul. 19, 2011 Initial Notes [Member] USD ($)	Jun. 30, 2012 Exchange Notes [Member]	Jun. 30, 2012 Senior Unsecured Notes Payable [Member]	Jul. 19, 2011 Senior Unsecured Notes Payable [Member]	Jun. 28, 2013 UKIM [Member]	Dec. 31, 2014 UKIM [Member] USD ($)	Sep. 29, 2010 UKIM [Member] GBP (£)	Mar. 31, 2015 Premex Group [Member] USD ($)	May 12, 2011 Premex Group [Member] GBP (£)
Note 10 - Long-term Debt (Details) [Line Items]
Debt Instrument, Interest Rate, Stated Percentage									5.625%							2.00%														9.00%	9.00%	9.00%
Debt Instrument, Face Amount (in Dollars)									$ 500,000,000																					$ 250,000,000
Debt Instrument, Issuance Price, Percentage																													100.00%
Proceeds from Issuance of Senior Long-term Debt (in Dollars)																													250,000,000
Debt Instrument, Redemption Period, End Date																		Jul. 15, 2014	Jul. 15, 2015
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed																	35.00%
Debt Instrument, Redemption Price, Percentage																		109.00%	100.00%
Debt Instrument, Redemption Price, Minimum Percent of Original Principal Amount Outstanding After Redemption																		65.00%
Debt Instrument Repurchase Percentage of Face Amount																																	101.00%
Line of Credit Facility, Maximum Borrowing Capacity	262,500,000	300,000,000					245,000,000	180,000,000					5,000,000	3,000,000	75,000,000																					5,000,000		26,500,000
Line of Credit Facility, Increase (Decrease), Other, Net (in Dollars)		55,000,000
Consolidated Senior Secured Leverage Ratio	3.00
Consolidated Leverage Ratio										3.5	4.75
Line of Credit Facility, Capacity Available for Specific Purpose Other than for Trade Purchases (in Dollars)	75,000,000	50,000,000
Line Of Credit Facility Increase Right (in Dollars)	37,500,000exam_LineOfCreditFacilityIncreaseRight
Line Of Credit Facility Increase Capacity (in Dollars)	300,000,000
Minimum Fixed Charge Coverage Ratio			1.75exam_MinimumFixedChargeCoverageRatio									2.00
Secured Revolving Credit Facility, Alternative Currency Sublimit (in Dollars)					100,000,000	60,000,000
Debt Instrument, Basis Spread on Variable Rate																							0.50%	1.00%	3.00%	2.40%	2.50%	2.40%
Long-term Line of Credit (in Dollars)				140,000,000us-gaap_LineOfCredit																															6,200,000		32,200,000
Line of Credit Facility, Remaining Borrowing Capacity (in Dollars)				$ 122,500,000																															$ 1,200,000		$ 7,100,000
Debt Instrument, Term																				36 months	36 months
Debt Instrument, Term, Increase																						24 months												24 months
Debt Instrument, Interest Rate, Effective Percentage																																			0.50%		0.50%