Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Apr. 28, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Carrying Value of Goodwill

The changes in the carrying value of goodwill for each of our reportable segments for the fiscal year ended April 28, 2018 are as follows:

	Balance at April 29, 2017		Activity		Balance at April 28, 2018
Dental	$	138,289	$	1,365	$	139,654
Animal Health	675,258		1,065		676,323
Corporate	—		—		—
Total	$	813,547	$	2,430	$	815,977

Balances of Other Intangible Assets Excluding Goodwill

Balances of other intangible assets, excluding goodwill, are as follows:

	April 28, 2018						April 29, 2017
	Gross		Accumulated Amortization		Net		Gross		Accumulated Amortization		Net
Unamortized - indefinite lived:
Copyrights, trade names and trademarks	$	29,900	$	—	$	29,900	$	29,900	$	—	$	29,900
Amortized - definite lived:
Customer relationships	355,488		91,374		264,114		353,237		67,483		285,754
Trade names and trademarks	129,973		49,545		80,428		129,426		35,580		93,846
Developed technology and other	55,326		40,344		14,982		54,209		38,273		15,936
Total amortized intangible assets	540,787		181,263		359,524		536,872		141,336		395,536
Total identifiable intangible assets	$	570,687	$	181,263	$	389,424	$	566,772	$	141,336	$	425,436