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CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified | 6 Months Ended
--- | ---
Jun. 30, 2014 | Jun. 30, 2013
OPERATING ACTIVITIES |  |
Net income | $ 102,671 | $ 75,492
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation, amortization and other non-cash charges | 113,308 | 107,056
Stock-based compensation expense | 4,717 | 4,251
Loss on disposition of assets, net | 3,637 | 4,397
Deferred income tax benefit | (23,255) | (15,635)
Excess tax benefits for share-based payments | (4,416) | (3,197)
(Increase) decrease in assets: |  |
Accounts receivable | (128,862) | 6,416
Income taxes receivable | (6,738) | 7,431
Inventories | (12,261) | 6,276
Prepaid expenses | 3,049 | 2,706
Other current assets | (3,342) | (964)
Other non-current assets | (467) | 26
Increase (decrease) in liabilities: |  |
Accounts payable | 33,231 | 7,090
Income taxes payable | 535 | 3,683
Accrued payroll and related expenses | 1,048 | (3,253)
Accrued insurance expenses | 552 | 169
Accrued state, local and other taxes | 3,409 | 606
Other accrued expenses | 139 | (1,586)
Pension liabilities | 1,167 | 915
Long-term accrued insurance expenses | 1,187 | 605
Other long-term liabilities | 2,179 | (1,836)
Net cash provided by operating activities | 91,488 | 200,648
INVESTING ACTIVITIES |  |
Capital expenditures | (112,804) | (108,490)
Proceeds from sale of assets | 11,958 | 5,158
Net cash used for investing activities | (100,846) | (103,332)
FINANCING ACTIVITIES |  |
Payment of dividends | (45,883) | (44,030)
Borrowings from notes payable to banks | 537,400 | 350,500
Repayments of notes payable to banks | (459,300) | (390,300)
Debt issue costs for notes payable to banks | (667) |
Excess tax benefits for share-based payments | 4,416 | 3,197
Cash paid for common stock purchased and retired | (13,144) | (20,587)
Net cash provided by (used for) financing activities | 22,822 | (101,220)
Net increase (decrease) in cash and cash equivalents | 13,464 | (3,904)
Cash and cash equivalents at beginning of period | 8,700 | 14,163
Cash and cash equivalents at end of period | 22,164 | 10,259
Supplemental cash flows disclosure: |  |
Interest paid, net of amounts capitalized | 443 | 406
Income taxes paid, net | 93,108 | 53,298
Supplemental disclosure of noncash investing activities: |  |
Capital expenditures included in accounts payable | $ 18,205 | $ 15,793

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