|
|
|
2007
|
|
|
2006
|
|
|
2005
|
|
|
2004
|
|
|
2003
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total
Revenues from Continuing Operations (1)
|
|
$ |
654,121 |
|
|
$ |
550,836 |
|
|
$ |
354,365 |
|
|
$ |
257,313 |
|
|
$ |
161,092 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Income
from Continuing Operations, Before Income
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Taxes and
Change in Accounting Principle (1)
|
|
$ |
244,556 |
|
|
$ |
248,308 |
|
|
$ |
156,129 |
|
|
$ |
86,083 |
|
|
$ |
37,688 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Income
from Continuing Operations (1)
|
|
$ |
152,588 |
|
|
$ |
151,074 |
|
|
$ |
97,880 |
|
|
$ |
54,340 |
|
|
$ |
22,396 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Net
Cash Provided by Operating Activities -
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Continuing
Operations
|
|
$ |
442,282 |
|
|
$ |
383,241 |
|
|
$ |
236,791 |
|
|
$ |
147,114 |
|
|
$ |
81,376 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Per
Share and Share Data
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Weighted
Average Shares Outstanding(1)
|
|
|
29,984 |
|
|
|
29,265 |
|
|
|
28,496 |
|
|
|
27,822 |
|
|
|
27,358 |
|
|
Earnings
per Share--Basic(1)
|
|
$ |
5.09 |
|
|
$ |
5.16 |
|
|
$ |
3.43 |
|
|
$ |
1.95 |
|
|
$ |
0.82 |
|
|
Earnings
per Share--Diluted(1)
|
|
$ |
4.98 |
|
|
$ |
5.03 |
|
|
$ |
3.34 |
|
|
$ |
1.92 |
|
|
$ |
0.81 |
|
|
Shares
Outstanding at Year-End
|
|
|
30,179 |
|
|
|
29,743 |
|
|
|
29,010 |
|
|
|
28,090 |
|
|
|
27,484 |
|
|
Book
Value per Share at Year-End
|
|
$ |
27.70 |
|
|
$ |
26.83 |
|
|
$ |
20.94 |
|
|
$ |
16.88 |
|
|
$ |
14.46 |
|
|
Market
Price
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
High
|
|
$ |
47.72 |
|
|
$ |
51.84 |
|
|
$ |
50.01 |
|
|
$ |
30.34 |
|
|
$ |
18.00 |
|
|
Low
|
|
$ |
35.98 |
|
|
$ |
35.48 |
|
|
$ |
24.77 |
|
|
$ |
15.90 |
|
|
$ |
7.60 |
|
|
Year-End
Close
|
|
$ |
44.03 |
|
|
$ |
44.81 |
|
|
$ |
45.07 |
|
|
$ |
28.94 |
|
|
$ |
16.85 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Effect
on Income from Continuing Operations and Earnings
per Share From Changes in Accounting Principles
(2)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Cumulative
Effect of Change in Accounting
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Principle
(Net of Taxes)
|
|
|
--- |
|
|
|
--- |
|
|
|
--- |
|
|
|
--- |
|
|
$ |
(4,145 |
) |
|
Effect
per Share—Basic
|
|
|
--- |
|
|
|
--- |
|
|
|
--- |
|
|
|
--- |
|
|
$ |
(0.15 |
) |
|
Effect
per Share—Diluted
|
|
|
--- |
|
|
|
--- |
|
|
|
--- |
|
|
|
--- |
|
|
$ |
(0.15 |
) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Assets
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Current
Assets
|
|
$ |
199,950 |
|
|
$ |
83,783 |
|
|
$ |
110,199 |
|
|
$ |
51,694 |
|
|
$ |
31,398 |
|
|
Property
& Equipment, Net of Accumulated
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Depreciation,
Depletion, and Amortization
|
|
$ |
1,760,195 |
|
|
$ |
1,239,722 |
|
|
$ |
862,717 |
|
|
$ |
731,868 |
|
|
$ |
641,366 |
|
|
Total
Assets
|
|
$ |
1,969,051 |
|
|
$ |
1,585,682 |
|
|
$ |
1,204,413 |
|
|
$ |
990,573
|
|
|
$ |
859,839 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Liabilities
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Current
Liabilities
|
|
$ |
210,161 |
|
|
$ |
145,471 |
|
|
$ |
98,421 |
|
|
$ |
68,618 |
|
|
$ |
69,353 |
|
|
Long-Term
Debt
|
|
$ |
587,000 |
|
|
$ |
381,400 |
|
|
$ |
350,000 |
|
|
$ |
357,500 |
|
|
$ |
340,255 |
|
|
Total
Liabilities
|
|
$ |
1,132,997 |
|
|
$ |
787,765 |
|
|
$ |
597,094 |
|
|
$ |
516,401 |
|
|
$ |
462,447 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Stockholders’
Equity
|
|
$ |
836,054 |
|
|
$ |
797,917 |
|
|
$ |
607,318 |
|
|
$ |
474,172 |
|
|
$ |
397,391 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Number
of Domestic Employees
|
|
|
298 |
|
|
|
272 |
|
|
|
236 |
|
|
|
203 |
|
|
|
183 |
|
|
|
|
|
|
|
|
|
|