Pension and Postretirement Benefit Plans (Future Expected Benefit Payments) (Details) $ in Thousands	Jun. 30, 2017 USD ($)
Pension [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosure [Line Items]
2018	$ 22,207
2019	24,165
2020	25,726
2021	21,562
2022	15,723
2023-2027	83,584
Postretirement [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosure [Line Items]
2018	657
2019	699
2020	688
2021	674
2022	655
2023-2027	$ 2,874

Amount of benefits for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following latest fiscal year.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920

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Amount of benefits for defined benefit plan expected to be paid in next fiscal year following latest fiscal year.

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Amount of benefits for defined benefit plan expected to be paid in fourth fiscal year following latest fiscal year.

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Amount of benefits for defined benefit plan expected to be paid in second fiscal year following latest fiscal year.

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