Intangibles

9 Months Ended

Jan. 31, 2019

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	$	49,472	$	224,528
Trademarks	3 years	Straight-line	10,000		3,611		6,389
Intangible assets, net					$	53,083	$	230,917

Amortization expense for the three- and nine-months ended January 31, 2019 was $12.2 million and $36.7 million, respectively. Amortization expense for the three- and nine-months ended January 31, 2018 was $4.1 million, respectively.