|
Consolidated Statements of Equity (USD $)
|
Total
|
Common Stock
|
Additional Paid-in Capital
|
Retained Earnings
|
Accumulated Other Comprehensive Income
|
Noncontrolling Interest
|
| Total shareholders’ equity, beginning at Dec. 31, 2011 |
$ 671,038,000 |
$ 394,769,000 |
$ 37,936,000 |
$ 238,333,000 |
$ 0 |
$ 0 |
| Common stock, shares, beginning at Dec. 31, 2011 |
|
124,767,322 |
|
|
|
|
| Activities during the period (unaudited) [Roll Forward] |
|
|
|
|
|
|
| Net income |
26,342,000 |
|
|
26,342,000 |
|
|
| Less: Net income attributable to non-controlling interest |
0 |
|
|
|
|
|
| Net income |
26,342,000 |
|
|
|
|
|
| Exercise of stock options, shares |
|
317,153 |
|
|
|
|
| Exercise of stock options, amount |
3,334,000 |
4,722,000 |
(1,388,000) |
|
|
|
| Vesting of restricted stock units, shares |
|
173,256 |
|
|
|
|
| Vesting of restricted stock units, amount |
0 |
12,335,000 |
(12,335,000) |
|
|
|
| Tax benefit on options exercised |
7,789,000 |
|
7,789,000 |
|
|
|
| Stock-based compensation |
2,789,000 |
|
2,789,000 |
|
|
|
| Other comprehensive income, net of tax |
0 |
|
|
|
|
|
| Total shareholders’ equity, ending at Mar. 31, 2012 |
711,292,000 |
411,826,000 |
34,791,000 |
264,675,000 |
0 |
0 |
| Common stock, shares, ending at Mar. 31, 2012 |
|
125,257,731 |
|
|
|
|
| Total shareholders’ equity, beginning at Dec. 31, 2012 |
4,609,861,000 |
4,180,778,000 |
73,530,000 |
354,991,000 |
(2,191,000) |
2,753,000 |
| Common stock, shares, beginning at Dec. 31, 2012 |
205,399,102 |
205,399,102 |
|
|
|
|
| Activities during the period (unaudited) [Roll Forward] |
|
|
|
|
|
|
| Net income |
51,408,000 |
|
|
51,408,000 |
|
|
| Less: Net income attributable to non-controlling interest |
5,376,000 |
|
|
|
|
5,376,000 |
| Net income |
56,784,000 |
|
|
|
|
|
| Exercise of stock options, shares |
|
133,264 |
|
|
|
|
| Exercise of stock options, amount |
785,000 |
1,125,000 |
(340,000) |
|
|
|
| Vesting of restricted stock units, shares |
|
373,018 |
|
|
|
|
| Vesting of restricted stock units, amount |
0 |
20,898,000 |
(20,898,000) |
|
|
|
| Tax benefit on options exercised |
4,928,000 |
|
4,928,000 |
|
|
|
| Stock-based compensation |
6,644,000 |
|
6,644,000 |
|
|
|
| Distribution to non-controlling interest |
(2,114,000) |
|
|
|
|
(2,114,000) |
| Other comprehensive income, net of tax |
261,000 |
|
|
|
261,000 |
|
| Total shareholders’ equity, ending at Mar. 31, 2013 |
$ 4,677,149,000 |
$ 4,202,801,000 |
$ 63,864,000 |
$ 406,399,000 |
$ (1,930,000) |
$ 6,015,000 |
| Common stock, shares, ending at Mar. 31, 2013 |
205,905,384 |
205,905,384 |
|
|
|
|