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Acquisitions - Supplemental Statements of Operations Information (Detail) (Micronetics, USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Micronetics
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Pro forma net revenues	$ 210,788	$ 291,467
Pro forma net (loss) income	$ (14,099)	$ 24,116
Basic pro forma net (loss) earnings per share (in usd per share)	$ (0.47)	$ 0.82
Diluted pro forma net (loss) earnings per share (in usd per share)	$ (0.47)	$ 0.80

- Definition

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References+ Details

- Definition

The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References+ Details