Percentage of the principal amount the debt instrument was issued.

No definition available.

Name:	exam_DebtInstrumentIssuancePercentage
Namespace Prefix:	exam_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	exam_Note15SubsequentEventsDetailsLineItems
Namespace Prefix:	exam_
Data Type:	xbrli:stringItemType
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

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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

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

- 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

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- 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

+ Details

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

- Definition

The cash inflow from a debt initially having maturity 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

+ Details

Name:	us-gaap_ProceedsFromIssuanceOfLongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_DebtInstrumentAxis=exam_SeniorSecuredRevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 15 - Subsequent Events (Details) (USD $)	0 Months Ended	3 Months Ended
Note 15 - Subsequent Events (Details) (USD $)	Apr. 16, 2015	Mar. 31, 2015	Jul. 07, 2011	May 06, 2011	Feb. 09, 2011	Nov. 02, 2010
Note 15 - Subsequent Events (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity			$ 262,500,000	$ 300,000,000	$ 245,000,000	$ 180,000,000
Subsequent Event [Member] \| Right to Increase Revolving Extensions [Member] \| Senior Secured Revolving Credit Facility [Member]
Note 15 - Subsequent Events (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	400,000,000
Subsequent Event [Member] \| Senior Notes 2023 [Member]
Note 15 - Subsequent Events (Details) [Line Items]
Debt Instrument, Face Amount	500,000,000
Debt Instrument, Interest Rate, Stated Percentage	5.625%
Debt Instrument, Issuance Percentage	100.00%
Proceeds from Issuance of Long-term Debt	500,000,000
Subsequent Event [Member] \| Senior Secured Revolving Credit Facility [Member]
Note 15 - Subsequent Events (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 300,000,000
Debt Instrument, Term	5 years
Subsequent Event [Member] \| Working Capital Facilities [Member] \| UK Independent Medical Services Limited and Premex Group Limited [Member]
Note 15 - Subsequent Events (Details) [Line Items]
Debt Instrument, Term	36 months
Senior Secured Revolving Credit Facility [Member]
Note 15 - Subsequent Events (Details) [Line Items]
Debt Instrument, Term		5 years