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SUBSEQUENT EVENTS - (Notes)	3 Months Ended
SUBSEQUENT EVENTS - (Notes)	Jan. 31, 2018
Subsequent Event [Line Items]
Subsequent Events	16. SUBSEQUENT EVENTS On February 23, 2018, we exercised our option to acquire all of the remaining shares of Lasergen, Inc. that we do not already own for consideration of $105 million. The completion of this transaction is contingent on executing the merger agreement and certain closing conditions.