Fair Value Measurements (Tables)

6 Months Ended

Oct. 28, 2017

Fair Value Measurements

Fair value hierarchy for assets and liabilities measured at fair value on a recurring basis

At October 28, 2017

	Fair Value Measurements
(Unaudited, amounts in thousands)	Level 1 (a)		Level 2 (a)		Level 3 (b)
Assets
Available-for-sale investments	$	1,352	$	37,916	$	—
Trading securities	—		17		—
Held-to-maturity investments	3,171		—		—
Cost basis investments	—		—		10,954
Total assets	$	4,523	$	37,933	$	10,954
Liabilities
Contingent consideration liability	$	—	$	—	$	1,050

(a) There were no transfers between Level 1 and Level 2 during the first six months of fiscal 2018.

(b) There were no transfers into or out of Level 3 during the first six months of fiscal 2018.

At April 29, 2017

	Fair Value Measurements
(Unaudited, amounts in thousands)	Level 1 (c)		Level 2 (c)		Level 3 (d)
Assets
Available-for-sale investments	$	1,217	$	36,638	$	1,400
Trading securities	—		6		—
Held-to-maturity investments	1,866		—		—
Cost basis investment	—		—		5,500
Total assets	$	3,083	$	36,644	$	6,900
Liabilities
Contingent consideration liability	$	—	$	—	$	1,248

(c) There were no transfers between Level 1 and Level 2 during fiscal 2017.

(d) There were no transfers into or out of Level 3 during fiscal 2017.

Reconciliation of Level 3 assets recorded at fair value using significant unobservable inputs

(Unaudited, amounts in thousands)	Level 3
Assets
Balance at April 29, 2017	$	6,900
Purchases	2,500
Realized gain	2,204
Unrealized gain reclassified to net income	(650		)
Balance at October 28, 2017	$	10,954

Reconciliation of Level 3 liabilities recorded at fair value using significant unobservable inputs

(Unaudited, amounts in thousands)	Level 3
Liabilities
Balance at April 29, 2017	$	1,248
Fair value adjustment	(213		)
Translation adjustment	15
Balance at October 28, 2017	$	1,050