Long-Term Debt Long-Term Debt (Tables)

9 Months Ended

Jan. 31, 2017

Long-term Debt, Unclassified [Abstract]

Components of Long-Term Debt

The components of long-term debt are as follows:

							(in 000s)
As of	January 31, 2017			January 31, 2016			April 30, 2016
Senior Notes, 4.125%, due October 2020	$	650,000		$	650,000		$	650,000
Senior Notes, 5.500%, due November 2022	500,000			500,000			500,000
Senior Notes, 5.250%, due October 2025	350,000			350,000			350,000
Committed line of credit borrowings	1,100,000			1,125,000			—
Capital lease obligation	6,820			7,637			7,435
Debt issuance costs and discounts	(13,256		)	(15,997		)	(15,234		)
	2,593,564			2,616,640			1,492,201
Less: Current portion	(942		)	(817		)	(826		)
	$	2,592,622		$	2,615,823		$	1,491,375