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BUSINESS COMBINATION Pro Forma Information (Details) $ / shares in Units, $ in Thousands | 9 Months Ended
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Jun. 27, 2015 USD ($) $ / shares
Business Acquisition [Line Items] |
Revenue | $ 443,582
Net income | $ 35,476
Basic income per common share (usd per share) | $ / shares | $ 0.46
Diluted income per common share (usd per share) | $ / shares | $ 0.46
Assembléon B.V. [Member] |
Business Acquisition [Line Items] |
Revenue | $ 38,000
Net income | $ (4,500)

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