Fair Value Measurements (Tables)

12 Months Ended

Apr. 30, 2016

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on Recurring Basis

Our hierarchy for assets and liabilities measured at fair value on a recurring basis is as follows:

	April 30, 2016
	Total		Level 1		Level 2		Level 3
Assets:
Cash equivalents	$	14,609	$	14,609	$	—	$	—
Deferred purchase price receivable	108,837		—		—		108,837
Derivative instruments	816		—		816		—
Total assets	$	124,262	$	14,609	$	816	$	108,837
Liabilities:
Derivative instruments	$	816	$	—	$	816	$	—

	April 25, 2015
	Total		Level 1		Level 2		Level 3
Assets:
Cash equivalents	$	90,569	$	90,569	$	—	$	—
Deferred purchase price receivable	89,588		—		—		89,588
Derivative instruments	1,255		—		1,255		—
Total assets	$	181,412	$	90,569	$	1,255	$	89,588
Liabilities:
Derivative instruments	$	1,255	$	—	$	1,255	$	—