Summary of Performance of Operations by Reportable Segment (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	$ 49,804	$ 67,959	$ 99,232	$ 117,081
Adjusted EBITDA	999	18,837	2,641	27,565
Reportable Segment
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers	49,804	67,959	99,232	117,081
Net revenues	49,804	67,959	99,232	117,081
Adjusted EBITDA	999	18,837	2,641	27,565
ACS \| Reportable Segment
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers	43,453	64,062	81,261	109,458
Intersegment revenues	3,239	1,996	8,147	3,929
Net revenues	46,692	66,058	89,408	113,387
Adjusted EBITDA	2,376	18,097	1,942	26,251
MFS \| Reportable Segment
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers	7,862	5,191	17,778	9,363
Intersegment revenues	4		12
Net revenues	7,866	5,191	17,790	9,363
Adjusted EBITDA	(727)	1,065	726	1,573
Eliminations \| Reportable Segment
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers	(1,511)	(1,294)	193	(1,740)
Intersegment revenues	(3,243)	(1,996)	(8,159)	(3,929)
Net revenues	(4,754)	(3,290)	(7,966)	(5,669)
Adjusted EBITDA	$ (650)	$ (325)	$ (27)	$ (259)

Tabular disclosure of adjusted EBITDA. Adjusted EBITDA is defined as earnings from continuing operations before interest income and expense, income taxes, depreciation, amortization of acquired intangible assets, restructuring, impairment of long-lived assets, acquisition costs and other related expenses, fair value adjustments from purchase accounting and stock-based compensation costs.

No definition available.

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- 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

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Amount of revenue from external customers for the reportable segment. Such disclosure is presented if the amount is: (a) included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 27

-Subparagraph a

-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.

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Amount of revenue from transactions with other operating segments of the same entity.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 27

-Subparagraph b

-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.

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