XML 49 R34.htm IDEA: XBRL DOCUMENT v3.8.0.1
Pension Benefits (Tables)
 9 Months Ended
Jan. 31, 2018
Pension and Other Postretirement Benefit Expense [Abstract]  
Net Periodic Pension (Benefit) Cost
Net periodic pension (benefit) cost consisted of the following for the three- and nine-month periods ended January 31, 2018 and 2017: 
 

Three Months Ended

Nine Months Ended
 

January 31,

January 31,
(in thousands)

2018

2017

2018

2017
Interest cost

$
1,431


$
1,443


$
4,295


$
4,329

Expected return on plan assets

(2,234
)

(2,019
)

(6,702
)

(6,059
)
Recognized net actuarial loss

401


442


1,201


1,328














Net periodic pension benefit

$
(402
)

$
(134
)

$
(1,206
)

$
(402
)