| Schedule of Quarterly Financial Information |
| | | | | | | | | | | | | | | | | | | | |
| First
Quarter | | Second
Quarter | | Third
Quarter | | Fourth
Quarter | | 2011 | | (In thousands, except per share data) | Revenues | $ | 115,281 |
| | $ | 165,301 |
| | $ | 192,321 |
| | $ | 165,890 |
| | $ | 638,793 |
| Operating income | $ | 25,679 |
| | $ | 45,122 |
| | $ | 62,400 |
| | $ | 38,662 |
| | $ | 171,863 |
| Income before income taxes | $ | 21,923 |
| | $ | 42,114 |
| | $ | 56,966 |
| | $ | 37,054 |
| | $ | 158,057 |
| Net income | $ | 15,730 |
| | $ | 27,578 |
| | $ | 42,302 |
| | $ | 24,786 |
| | $ | 110,396 |
| Per basic share: |
| |
| |
| |
| |
| Net income | $ | 0.26 |
| | $ | 0.46 |
| | $ | 0.71 |
| | $ | 0.42 |
| | $ | 1.86 |
| Per diluted share: |
| |
| |
| |
| |
| Net income | $ | 0.26 |
| | $ | 0.46 |
| | $ | 0.71 |
| | $ | 0.42 |
| | $ | 1.85 |
| | | | | | | | | | |
| First
Quarter | | Second
Quarter | | Third
Quarter | | Fourth
Quarter | | 2010 | | (In thousands, except per share data) | Revenues | $ | 107,421 |
| | $ | 149,848 |
| | $ | 183,801 |
| | $ | 155,006 |
| | $ | 596,076 |
| Operating income | $ | 23,837 |
| | $ | 43,607 |
| | $ | 54,877 |
| | $ | 38,441 |
| | $ | 160,762 |
| Income before income taxes | $ | 24,646 |
| | $ | 42,024 |
| | $ | 55,026 |
| | $ | 36,515 |
| | $ | 158,211 |
| Net income | $ | 15,793 |
| | $ | 27,011 |
| | $ | 40,494 |
| | $ | 24,143 |
| | $ | 107,441 |
| Per basic share: |
| |
| |
| |
| |
| Net income | $ | 0.27 |
| | $ | 0.45 |
| | $ | 0.68 |
| | $ | 0.41 |
| | $ | 1.80 |
| Per diluted share: |
| |
| |
| |
| |
| Net income | $ | 0.26 |
| | $ | 0.45 |
| | $ | 0.68 |
| | $ | 0.40 |
| | $ | 1.80 |
|
|