Note 10 - Long-term Debt (Details) - Borrowings Under the Senior Secured Revolving Credit Facility - Jun. 30, 2015	Total
Pricing Tier 1 [Member]
Guarantor Obligations [Line Items]
Commitment Fee/Unused Line Fee	0.45%
Letter of Credit Fee	2.75%
Pricing Tier 1 [Member] \| Eurodollar [Member]
Guarantor Obligations [Line Items]
Rate Loans	2.75%
Pricing Tier 1 [Member] \| Base Rate [Member]
Guarantor Obligations [Line Items]
Rate Loans	1.75%
Pricing Tier 2 [Member]
Guarantor Obligations [Line Items]
Commitment Fee/Unused Line Fee	0.40%
Letter of Credit Fee	2.50%
Pricing Tier 2 [Member] \| Eurodollar [Member]
Guarantor Obligations [Line Items]
Rate Loans	2.50%
Pricing Tier 2 [Member] \| Base Rate [Member]
Guarantor Obligations [Line Items]
Rate Loans	1.50%
Pricing Tier 3 [Member]
Guarantor Obligations [Line Items]
Commitment Fee/Unused Line Fee	0.35%
Letter of Credit Fee	2.25%
Pricing Tier 3 [Member] \| Eurodollar [Member]
Guarantor Obligations [Line Items]
Rate Loans	2.25%
Pricing Tier 3 [Member] \| Base Rate [Member]
Guarantor Obligations [Line Items]
Rate Loans	1.25%
Pricing Tier 4 [Member]
Guarantor Obligations [Line Items]
Commitment Fee/Unused Line Fee	0.30%
Letter of Credit Fee	2.00%
Pricing Tier 4 [Member] \| Eurodollar [Member]
Guarantor Obligations [Line Items]
Rate Loans	2.00%
Pricing Tier 4 [Member] \| Base Rate [Member]
Guarantor Obligations [Line Items]
Rate Loans	1.00%
Pricing Tier 5 [Member]
Guarantor Obligations [Line Items]
Commitment Fee/Unused Line Fee	0.30%
Letter of Credit Fee	1.75%
Pricing Tier 5 [Member] \| Eurodollar [Member]
Guarantor Obligations [Line Items]
Rate Loans	1.75%
Pricing Tier 5 [Member] \| Base Rate [Member]
Guarantor Obligations [Line Items]
Rate Loans	0.75%
Minimum [Member] \| Pricing Tier 1 [Member]
Guarantor Obligations [Line Items]
Consolidated Leverage Ratio	4.00
Minimum [Member] \| Pricing Tier 2 [Member]
Guarantor Obligations [Line Items]
Consolidated Leverage Ratio	3.50
Minimum [Member] \| Pricing Tier 3 [Member]
Guarantor Obligations [Line Items]
Consolidated Leverage Ratio	3.00
Minimum [Member] \| Pricing Tier 4 [Member]
Guarantor Obligations [Line Items]
Consolidated Leverage Ratio	2.50
Maximum [Member] \| Pricing Tier 2 [Member]
Guarantor Obligations [Line Items]
Consolidated Leverage Ratio	4.00
Maximum [Member] \| Pricing Tier 3 [Member]
Guarantor Obligations [Line Items]
Consolidated Leverage Ratio	3.50
Maximum [Member] \| Pricing Tier 4 [Member]
Guarantor Obligations [Line Items]
Consolidated Leverage Ratio	3.00
Maximum [Member] \| Pricing Tier 5 [Member]
Guarantor Obligations [Line Items]
Consolidated Leverage Ratio	2.50

Leverage ratio associated with a company's debt agreements.

No definition available.

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Balance Type:	na
Period Type:	duration

- Definition

The fee, expressed as a percentage of the letter of credit, for available but unused credit capacity under the letter of credit.

+ References

No definition available.

+ Details

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Namespace Prefix:	exam_
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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Balance Type:	na
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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