Quarterly report pursuant to Section 13 or 15(d)

Defined Benefit Pension and Other Postretirement Benefit Plans (Details)

v3.19.2
Defined Benefit Pension and Other Postretirement Benefit Plans (Details)
$ in Thousands
3 Months Ended
Jun. 30, 2019
USD ($)
Jun. 30, 2018
USD ($)
Mar. 31, 2019
USD ($)
Defined Benefit Plan Disclosure      
Defined Benefit Plan, Number of Plans 12    
Pension      
Defined Benefit Plan Disclosure      
Contribution by employer $ 900    
Net periodic benefit (income) costs      
Net service cost 1,250 $ 1,233  
Interest cost 462 478  
Expected return on net assets (470) (531)  
Amortization:      
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) 113 107  
Prior service cost 21 23  
Total net periodic benefit cost (credit) 1,376 1,310  
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position (86,608)   $ (84,538)
Pension | Maximum      
Defined Benefit Plan Disclosure      
Estimated employer contribution in current fiscal year $ 5,100    
Pension | Europe      
Defined Benefit Plan Disclosure      
Defined Benefit Plan, Number of Plans 6    
Pension | Singapore      
Defined Benefit Plan Disclosure      
Defined Benefit Plan, Number of Plans 1    
Pension | Mexico      
Defined Benefit Plan Disclosure      
Defined Benefit Plan, Number of Plans 2    
Pension | JAPAN      
Defined Benefit Plan Disclosure      
Defined Benefit Plan, Number of Plans 2    
Other Benefits      
Net periodic benefit (income) costs      
Net service cost $ 0 0  
Interest cost 2 3  
Expected return on net assets 0 0  
Amortization:      
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) (37) (39)  
Prior service cost 0 0  
Total net periodic benefit cost (credit) (35) $ (36)  
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position (341)   (312)
Prepaid Expenses and Other Current Assets [Member] | Pension      
Defined Benefit Plan Disclosure      
Assets for Plan Benefits, Defined Benefit Plan (815)   (670)
Prepaid Expenses and Other Current Assets [Member] | Other Benefits      
Defined Benefit Plan Disclosure      
Assets for Plan Benefits, Defined Benefit Plan 0   0
Accrued Liabilities [Member] | Pension      
Defined Benefit Plan Disclosure      
Assets for Plan Benefits, Defined Benefit Plan (2,806)   (2,753)
Accrued Liabilities [Member] | Other Benefits      
Defined Benefit Plan Disclosure      
Assets for Plan Benefits, Defined Benefit Plan (50)   (50)
Other Noncurrent Liabilities [Member] | Pension      
Defined Benefit Plan Disclosure      
Assets for Plan Benefits, Defined Benefit Plan (84,617)   (82,455)
Other Noncurrent Liabilities [Member] | Other Benefits      
Defined Benefit Plan Disclosure      
Assets for Plan Benefits, Defined Benefit Plan $ (291)   $ (262)