Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands |
3 Months Ended |
9 Months Ended |
Apr. 30, 2016 |
Apr. 30, 2015 |
Apr. 30, 2016 |
Apr. 30, 2015 |
| Accumulated Other Comprehensive Income |
|
|
|
|
| Accumulated Other Comprehensive (Loss) Income, Balance, beginning |
|
|
$ (9,245)
|
|
| Other comprehensive income, before reclassifications, net of tax |
|
|
142
|
|
| Amounts reclassified from accumulated other comprehensive income, net of tax |
|
|
457
|
|
| Net current-period other comprehensive income, net of tax |
$ 441
|
$ 230
|
599
|
$ (129)
|
| Accumulated Other Comprehensive (Loss) Income, Balance, ending |
(8,646)
|
|
(8,646)
|
|
| Pension and Postretirement Health Benefits |
|
|
|
|
| Accumulated Other Comprehensive Income |
|
|
|
|
| Accumulated Other Comprehensive (Loss) Income, Balance, beginning |
|
|
(8,975)
|
|
| Other comprehensive income, before reclassifications, net of tax |
|
|
0
|
|
| Amounts reclassified from accumulated other comprehensive income, net of tax |
|
|
457
|
|
| Net current-period other comprehensive income, net of tax |
|
|
457
|
|
| Accumulated Other Comprehensive (Loss) Income, Balance, ending |
(8,518)
|
|
(8,518)
|
|
| Cumulative Translation Adjustment |
|
|
|
|
| Accumulated Other Comprehensive Income |
|
|
|
|
| Accumulated Other Comprehensive (Loss) Income, Balance, beginning |
|
|
(270)
|
|
| Other comprehensive income, before reclassifications, net of tax |
|
|
142
|
|
| Amounts reclassified from accumulated other comprehensive income, net of tax |
|
|
0
|
|
| Net current-period other comprehensive income, net of tax |
|
|
142
|
|
| Accumulated Other Comprehensive (Loss) Income, Balance, ending |
$ (128)
|
|
$ (128)
|
|