|
Shareholders' Equity - Additional Information (Detail) (USD $)
|
3 Months Ended |
9 Months Ended |
|
|
|
Mar. 31, 2015
|
Mar. 31, 2015
|
Oct. 28, 2014
|
Jun. 30, 2014
|
| Schedule Of Stockholders Equity [Line Items] |
|
|
|
|
| Preferred stock, shares outstanding |
0 |
0 |
|
0 |
| Preferred stock, shares authorized |
5,000,000 |
5,000,000 |
|
5,000,000 |
| Preferred stock, par value |
$ 0.01 |
$ 0.01 |
|
$ 0.01 |
| Common stock, shares authorized |
200,000,000 |
200,000,000 |
|
200,000,000 |
| Common stock, par value |
$ 0.01 |
$ 0.01 |
|
$ 0.01 |
| Common stock, shares issued |
99,202,778 |
99,202,778 |
|
98,408,042 |
| Treasury stock, shares |
29,480,498 |
29,480,498 |
|
30,319,785 |
| Common stock, shares outstanding |
69,722,280 |
69,722,280 |
|
68,088,257 |
| Board of Directors authorized the repurchase of common stock |
|
|
$ 500,000,000 |
|
| Board of Directors authorized the repurchase of common stock period |
|
3 years |
|
|
| Share repurchases during the period |
0 |
0 |
|
|
| Red Bend Ltd. [Member] |
|
|
|
|
| Schedule Of Stockholders Equity [Line Items] |
|
|
|
|
| Issuance of common shares from treasury stock |
|
839,287 |
|
|
| Issuance of common shares from treasury stock, price per share |
$ 41.81 |
$ 41.81 |
|
|
| Issuance of common shares from treasury stock, value |
|
$ 35,100,000 |
|
|