Long-Term Debt Long-Term Debt (Tables)

6 Months Ended

Oct. 31, 2015

Long-term Debt, Unclassified [Abstract]

Components of Long-Term Debt

The components of long-term debt are as follows:

							(in 000s)
As of	October 31, 2015			October 31, 2014			April 30, 2015
Senior Notes, 4.125%, due October 2020	$	647,918		$	—		$	—
Senior Notes, 5.500%, due November 2022	498,034			497,753			497,894
Senior Notes, 5.250%, due October 2025	348,959			—			—
Capital lease obligation	7,835			8,607			8,194
	1,502,746			506,360			506,088
Less: Current portion	(808		)	(772		)	(790		)
	$	1,501,938		$	505,588		$	505,298