Goodwill and Intangible Assets (Tables)

9 Months Ended

Jan. 31, 2018

Goodwill and Intangible Assets [Abstract]

The following table summarizes the activity in goodwill by segment as of January 31, 2018:

	April 30, 2017		Foreign Translation Adjustment		January 31, 2018
Research	$	437,928	$	31,751	$	469,679
Publishing		283,192		14,543		297,735
Solutions		260,981		-		260,981
Total	$	982,101	$	46,294	$	1,028,395

Excess of Estimated Fair Value over Carrying Value of Reporting Units

The excess of estimated fair values over carrying value, including goodwill for each of our reporting units as of the 2018 annual impairment test were the following:

	% by Which Estimated Fair value
Reporting Unit	exceeds Carrying Value
Research		504.9	%
Publishing		151.3	%
Solutions		34.0	%

Schedule of Intangible Assets

Identifiable intangible assets consisted of the following:

	January 31,		April 30,
	2018		2017
Intangible assets with indefinite lives:
Brands and trademarks	$	140,127	$	135,061
Content and publishing rights		96,082		84,173
	$	236,209	$	219,234
Net intangible assets with determinable lives:
Content and publishing rights	$	449,358	$	421,597
Customer relationships		165,572		169,116
Brands and trademarks		16,784		17,195
Covenants not to compete		708		957
	$	632,422	$	608,865
Total	$	868,631	$	828,099