Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands |
May. 30, 2015 |
Feb. 28, 2015 |
May. 31, 2014 |
|---|---|---|---|
| Cash and cash equivalents, temporary investments | $ 65,940 | $ 69,572 | $ 185,245 |
| Properties, accumulated depreciation | $ 454,345 | $ 446,237 | $ 426,459 |
| Common stock, par value | $ 0.001 | $ 0.001 | $ 0.001 |
| Common stock, shares authorized | 500,000,000 | 500,000,000 | 500,000,000 |
| Common stock, shares issued | 125,232,000 | 125,232,000 | 125,232,000 |
| Treasury stock, shares | 35,682,000 | 35,320,000 | 31,360,000 |