The following table presents the adjustments to reconcile net earnings to net cash provided by operating activities: | | | | | | | | | | | | | | (In millions) | | 2015 | | 2014 | | 2013 | | | | | | | | Depreciation expense | | $ | 44.2 |
| | $ | 37.8 |
| | $ | 34.4 |
| Amortization expense | | 5.6 |
| | 4.6 |
| | 3.1 |
| Provision for losses on accounts receivable and notes receivable | | 1.8 |
| | 1.0 |
| | 0.6 |
| (Gain) Loss on sales of property and dealers | | — |
| | (1.7 | ) | | 0.8 |
| Deferred income tax expense (benefit) | | (8.8 | ) | | (52.8 | ) | | (16.6 | ) | Pension expense | | 0.8 |
| | 115.4 |
| | 31.9 |
| Restructuring and impairment expenses | | 12.7 |
| | 26.5 |
| | 1.2 |
| Stock-based compensation | | 10.0 |
| | 11.0 |
| | 8.1 |
| Excess tax benefits from stock-based compensation | | (0.7 | ) | | (1.1 | ) | | (0.3 | ) | Other changes in long-term liabilities | | (1.2 | ) | | (8.5 | ) | | (9.2 | ) | Other | | 1.7 |
| | 1.2 |
| | (2.9 | ) | Changes in current assets and liabilities: | | | | | | | Decrease (increase) in assets: | | | | | | | Accounts receivable | | 7.8 |
| | (26.7 | ) | | (7.7 | ) | Inventories | | (9.0 | ) | | (2.2 | ) | | (4.6 | ) | Prepaid expenses and other | | (2.5 | ) | | (3.2 | ) | | 9.3 |
| Increase (decrease) in liabilities: | | | | | | | Accounts payable | | 1.1 |
| | 2.6 |
| | 6.0 |
| Accrued liabilities | | 6.1 |
| | 8.3 |
| | 14.2 |
| Total changes in current assets and liabilities | | 3.5 |
| | (21.2 | ) | | 17.2 |
| Total adjustments | | $ | 69.6 |
| | $ | 112.2 |
| | $ | 68.3 |
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