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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2014 | Mar. 31, 2013
Operating activities: |  |
Net income | $ 87.9 | $ 84.5
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization expense | 51.9 | 41.1
Deferred income tax (benefit) provision | (0.7) | 1.6
(Gain) loss on sales of property, plant and equipment | (0.5) | 0.2
Equity in earnings of unconsolidated entities | (0.6) | (0.3)
Dividend received from unconsolidated entity |  | 0.3
Share-based compensation expense | 4.9 | 6.7
Other | 2.1 | (1.6)
Changes in operating assets and liabilities: |  |
Accounts receivable | (177.6) | (134.8)
Inventories | (114.6) | (48.2)
Prepaid expenses and other assets | 43.9 | 31.3
Accounts payable and other liabilities | 172.1 | 91.4
Net cash provided by operating activities | 68.8 | 72.2
Investing activities: |  |
Purchases of property, plant and equipment | (28.9) | (26.8)
Other | (9.1) | 7.3
Net cash used in investing activities | (38.0) | (19.5)
Financing activities: |  |
Net short-term debt borrowings | 0.3 | 3.1
Proceeds from long-term debt borrowings | 160.0 | 50.0
Principal payments on long-term debt | (141.7) | (110.0)
Payment to noncontrolling interest holder |  | (0.7)
Dividends paid | (27.1) | (22.9)
Excess benefit (tax deficit) from share-based compensation | 0.3 | (0.8)
Exercise of stock options | 8.4 | 31.6
Net cash provided by (used in) financing activities | 0.2 | (49.7)
Effect of exchange rate changes on cash | (1.0) | (0.5)
Increase in cash and cash equivalents | 30.0 | 2.5
Cash and cash equivalents at beginning of year | 83.6 | 97.6
Cash and cash equivalents at end of period | 113.6 | 100.1
Supplemental cash flow information: |  |
Interest paid during the period | 5.2 | 4.4
Income taxes paid during the period, net | $ 5.3 | $ 9.8

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