ACQUISITIONS (Details) (USD $) In Thousands, unless otherwise specified	8 Months Ended	12 Months Ended
	Jun. 30, 2011	Jun. 30, 2011	Nov. 12, 2010 sqft
ACQUISITIONS (Details) [Line Items]
Area of Manufacturing Facility (in Square Feet)			55,300
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets	$ 12,475	$ 12,475
Business Acquisition Contingent Consideration Cash	7,142	7,142
Net Present Value For Future Consideration From Acquisitions		5,333
Percentage of Discount Factor		14.00%
Period Over Which Assets Acquired Using Discount Factor		3 years
Business Acquisition, Purchase Price Allocation, Current Liabilities		1,127
Business Acquisition, Purchase Price Allocation, Noncurrent Liabilities		4,206
Number of Elements In Business		3
Business Combination, Bargain Purchase, Gain Recognized, Amount		2,021
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent	725	725
Revised Gain On Acquisitions Effect From Deferred Tax Liabilities		1,296
Business Acquisition, Purchase Price Allocation, Current Assets, Work-in-Progress	1,833	1,833
Business Acquisition Building And Land Fair Value	6,080	6,080
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Equipment	5,394	5,394
Business Acquisition Customer Relationships	23	23
Business Acquisition Technology	600	600
Contributed Revenue	14,444
Contributed Earnings	4,069
Finite-Lived Intangible Asset, Useful Life		5 years
Extreme Precision Optics Group [Member]
ACQUISITIONS (Details) [Line Items]
Increased Property Plant And Equipment And Gain On Purchase Of Business		7
Richmond, California [Member]
ACQUISITIONS (Details) [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets	12,475	12,475
Business Acquisition Contingent Consideration Cash	7,142	7,142
Business Combination, Bargain Purchase, Gain Recognized, Amount		2,021
Business Combination, Acquisition Related Costs		$ 406