Intangibles

3 Months Ended

Jul. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Intangibles

Intangibles

The components of intangible assets were:

(in thousands)	Weighted Average Amortization Period	Amortization Method	Cost		Accumulated Amortization		Net Carrying Amount
Customer relationships	6 years	Straight-line	$	274,000	$	26,639	$	247,361
Trademarks	3 years	Straight-line	10,000		1,944		8,056
Intangible assets, net					$	28,583	$	255,417

Amortization expense for the three-months ended July 31, 2018 was $12.3 million.