Goodwill and Intangible Assets (Tables)

6 Months Ended

Oct. 31, 2016

Goodwill and Intangible Assets

Schedule of goodwill activity

	Carrying
	Amount
Balance at May 1, 2015	$	348,811
Working capital adjustments		(1,338)
Goodwill acquired during the year		38,833
Balance at April 30, 2016		386,306
Working capital adjustments		(256)
Goodwill acquired during the period		37,685
Balance at October 31, 2016	$	423,735

Schedule of components of definite lived intangible assets

	Estimated	Weighted	October 31, 2016
	useful	average	Gross				Net
	lives	amortization	carrying		Accumulated		carrying
	(years)	period	amount		amortization		value
Amortizable intangible assets:
Customer relationships	5 - 13	11.0	$	269,967	$	89,143	$	180,824
Definite lived tradenames	5 - 20	18.2		24,660		973		23,687
Vendor agreement	8	—		5,644		1,823		3,821
Leasehold interests	7 - 13	8.2		2,516		337		2,179
Totals			$	302,787	$	92,276	$	210,511

	Estimated	Weighted	April 30, 2016
	useful	average	Gross				Net
	lives	amortization	carrying		Accumulated		carrying
	(years)	period	amount		amortization		value
Amortizable intangible assets:
Customer relationships	5 - 13	10.8	$	208,526	$	69,929	$	138,597
Definite lived tradenames	5 - 20	19.5		15,760		447		15,313
Vendor agreement	8	—		5,644		1,470		4,174
Leasehold interests	7 - 13	8.2		2,516		178		2,338
Totals			$	232,446	$	72,024	$	160,422