Intangible Assets (Tables)

12 Months Ended

Apr. 30, 2016

Goodwill And Intangible Assets Disclosure [Abstract]

Summary of Intangible Assets

The following table presents a summary of intangible assets as of April 30, 2016 and 2015 (in thousands):

	April 30, 2016							April 30, 2015
	Gross							Gross
	Carrying		Accumulated			NetCarrying		Carrying		Accumulated			Net Carrying
	Amount		Amortization			Amount		Amount		Amortization			Amount
Customer relationships	$	28,560	$	(6,423	)	$	22,137	$	28,260	$	(1,633	)	$	26,627
Developed technology		16,430		(2,890	)		13,540		16,630		(1,014	)		15,616
Patents, trademarks, and trade names		36,076		(9,262	)		26,814		36,378		(5,303	)		31,075
		81,066		(18,575	)		62,491		81,268		(7,950	)		73,318
Patents in progress		433		—			433		450		—			450
	$	81,499	$	(18,575	)	$	62,924	$	81,718	$	(7,950	)	$	73,768

Schedule of Future Expected Amortization Expense

The following table represents future expected amortization expense as of April 30, 2016, which will primarily be recorded in our accessories segment (in thousands):

Fiscal		Amount
2017	$		10,673
2018			9,896
2019			8,670
2020			7,496
2021			6,501
Thereafter			19,255
Total	$		62,491