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EMPLOYEE BENEFIT PLANS
 9 Months Ended
Mar. 31, 2018
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]  
EMPLOYEE BENEFIT PLANS
EMPLOYEE BENEFIT PLANS
The following table summarizes the components of net periodic benefit cost for the Company’s retirement income plans:
 
Three Months Ended
 
Nine Months Ended
 
3/31/2018
 
3/31/2017
 
3/31/2018
 
3/31/2017
Service cost
$
1

 
$
1

 
$
1

 
$
1

Interest cost
6

 
5

 
17

 
16

Expected return on plan assets (1)
(5
)
 
(5
)
 
(14
)
 
(15
)
Amortization of unrecognized items
2

 
2

 
7

 
8

Total
$
4

 
$
3

 
$
11

 
$
10

(1) The weighted average long-term expected rate of return on plan assets used in computing the fiscal year 2018 net periodic benefit cost is 4.42%.
During the three and nine months ended March 31, 2018, the Company made $15 and $19 in contributions to the domestic retirement income plans, respectively. For the three and nine months ended March 31, 2017, the Company made $10 and $29 in contributions to the domestic retirement income plans, respectively.