Note 7 - Goodwill

6 Months Ended

Nov. 30, 2015

GOODWILL

The consolidated financial statements include the goodwill resulting from the acquisition of Immucor in the first quarter of fiscal 2012, and the acquisition of various businesses since that date. The following table presents the changes in the carrying amount of goodwill during the six months ended November 30, 2015 and the fiscal year ended May 31, 2015 (in thousands):

	November 30, 2015			May 31, 2015

Balance at beginning of period	$	842,258			851,563
Additions:
Acquisition of businesses		346			432
Foreign currency translation adjustment		(2,097	)		(9,737	)
Balance at end of period	$	840,507			842,258

In the first six months of fiscal year 2016 and in fiscal year 2015, there were no significant changes in goodwill other than the impact of changes in foreign currency exchange rates, and an increase in goodwill from business acquisitions completed in those periods. As of November 30, 2015 and May 31, 2015, the Company had $160.0 million of accumulated impairment losses on goodwill.