|
Segment Reporting (Summary Of Segment Detail) (Details) (USD $) In Thousands, unless otherwise specified
|
3 Months Ended |
6 Months Ended |
|
|
Jan. 31, 2015
|
Jan. 31, 2014
|
Jan. 31, 2015
|
Jan. 31, 2014
|
Jul. 31, 2014
|
| Segment Reporting Information [Line Items] |
|
|
|
|
|
| Net sales |
$ 596,944 |
$ 581,622 |
$ 1,193,454 |
$ 1,181,006 |
|
| Earnings before income taxes |
67,811 |
74,882 |
145,094 |
165,669 |
|
| Assets |
1,850,250 |
1,773,543 |
1,850,250 |
1,773,543 |
1,942,411 |
| Engine Products [Member] |
|
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
|
| Net sales |
357,109 |
369,675 |
747,829 |
758,791 |
|
| Earnings before income taxes |
41,436 |
47,294 |
94,596 |
109,367 |
|
| Assets |
873,310 |
836,585 |
873,310 |
836,585 |
|
| Industrial Products [Member] |
|
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
|
| Net sales |
239,835 |
211,947 |
445,625 |
422,215 |
|
| Earnings before income taxes |
37,446 |
28,032 |
65,089 |
59,175 |
|
| Assets |
639,890 |
522,062 |
639,890 |
522,062 |
|
| Corporate & Unallocated [Member] |
|
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
|
| Earnings before income taxes |
(11,071) |
(444) |
(14,591) |
(2,873) |
|
| Assets |
$ 337,050 |
$ 414,896 |
$ 337,050 |
$ 414,896 |
|