| Cash and Cash Equivalents, Beginning of Period | 432.76M |
| Net income | |
| Depreciation and amortization, net of accretion | |
| Non-cash compensation and employee benefits | |
| Increase in deferred income taxes | |
| Provision for uncollectible accounts | -33K |
| Loss from impairment of intangible assets | |
| Loss (Gain) from sales of property and equipment, net | -1.35M |
| Receivables | |
| Prepaid expenses | -2.38M |
| Accounts payable | 34.71M |
| Accrued variable compensation | |
| Accrued liabilities, excluding accrued variable compensation and employee benefits | |
| Self-insurance accruals | |
| Accrued income taxes | 2.64M |
| Employee benefits | -26.48M |
| Deferred charges and credits | |
| Other | |
| Net Cash Provided by Operating Activities | |
| Capital expenditures | |
| Software expenditures | |
| Proceeds from sales of property and equipment | |
| Purchases of marketable securities | |
| Proceeds from sales of marketable securities | |
| Net Cash Used in Investing Activities | -112.13M |
| Repayment of long-term debt and capital leases | |
| Net proceeds from short-term borrowings | 326K |
| Proceeds from issuance of common stock | |
| Proceeds from exercise of stock options | 559K |
| Excess tax benefit from stock-option exercises | 2.91M |
| Payments of common dividends | |
| Net Cash Used in Financing Activities | -61.3M |
| Increase (Decrease) in Cash and Cash Equivalents | 2.32M |
| Cash and Cash Equivalents, End of Period | 435.08M |
| Cash paid (refunded) for income taxes, net | 30.04M |
| Cash paid for interest, net of amounts capitalized | 25.98M |
| Capital lease incurred to acquire revenue equipment | 116K |
| Repurchased common stock issued under defined contribution plan | |