Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Apr. 30, 2016

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 30, 2016 are as follows:

	Balance at April 25, 2015		Acquisition Activity and Divestitures		Other Activity			Balance at April 30, 2016
Dental	$	139,449	$	—	$	(320	)	$	139,129
Animal Health	160,475		517,965		(977		)	677,463
Corporate	—		—		—			—
Total	$	299,924	$	517,965	$	(1,297	)	$	816,592

Balances of Other Intangible Assets Excluding Goodwill

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

	April 30, 2016			April 25, 2015
Unamortized – indefinite lived:
Copyrights, trade names and trademarks	$	29,900		$	17,600
Amortized:
Distribution agreement, customer lists and other	641,236			221,359
Less: Accumulated amortization	(161,839		)	(113,934		)
Net amortized intangible assets	479,397			107,425
Total identifiable intangible assets, net	$	509,297		$	125,025