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CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands | Total | Agsense Llc | Valmont SM | Common stock | Additional paid-in capital | Retained earnings | Accumulated other comprehensive income (loss) | Treasury stock | Noncontrolling interest in consolidated subsidiaries | Noncontrolling interest in consolidated subsidiaries Agsense Llc | Noncontrolling interest in consolidated subsidiaries Valmont SM
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 28, 2013 | $ 1,544,846 |  |  | $ 27,900 | $ 0 | $ 1,562,670 | $ (47,685) | $ (20,860) | $ 22,821 |  |
Increase (Decrease) in Shareholders' Equity |  |  |  |  |  |  |  |  |  |  |
Net earnings | 147,700 |  |  |  |  | 143,515 |  |  | 4,185 |  |
Other comprehensive income (loss) | (26,956) |  |  |  |  |  | (24,386) |  | (2,570) |  |
Cash dividends declared | (25,950) |  |  |  |  | (25,950) |  |  | 0 |  |
Dividends to noncontrolling interests | (1,340) |  |  |  |  |  |  |  | (1,340) |  |
Acquisition |  | $ 16,333 | $ 9,232 |  |  |  |  |  |  | $ 16,333 | $ 9,232
Addition of noncontrolling interest | 404 |  |  |  |  |  |  |  | 404 |  |
Purchase of treasury shares | (316,296) |  |  |  |  |  |  | (316,296) |  |  |
Stock plan exercises | (12,739) |  |  |  |  |  |  | (12,739) |  |  |
Stock options exercised | 12,824 |  |  |  | (9,360) | 7,301 |  | 14,883 |  |  |
Tax benefit from stock option exercises | 3,916 |  |  |  | 3,916 |  |  |  |  |  |
Stock option expense | 3,767 |  |  |  | 3,767 |  |  |  |  |  |
Stock awards | 2,945 |  |  |  | 1,677 |  |  | 1,268 |  |  |
Ending balance at Sep. 27, 2014 | 1,358,686 |  |  | 27,900 | 0 | 1,687,536 | (72,071) | (333,744) | 49,065 |  |
Beginning balance at Dec. 27, 2014 | 1,250,405 |  |  | 27,900 | 0 | 1,718,662 | (134,433) | (410,296) | 48,572 |  |
Increase (Decrease) in Shareholders' Equity |  |  |  |  |  |  |  |  |  |  |
Net earnings | 74,495 |  |  |  |  | 70,678 |  |  | 3,817 |  |
Other comprehensive income (loss) | (92,597) |  |  |  |  |  | (88,574) |  | (4,023) |  |
Cash dividends declared | (26,249) |  |  |  |  | (26,249) |  |  | 0 |  |
Dividends to noncontrolling interests | (2,323) |  |  |  |  |  |  |  | (2,323) |  |
Purchase of treasury shares | (148,220) |  |  |  |  |  |  | (148,220) |  |  |
Stock plan exercises | (12,135) |  |  |  |  |  |  | (12,135) |  |  |
Stock options exercised | 10,902 |  |  |  | (11,078) | 4,530 |  | 17,450 |  |  |
Tax benefit from stock option exercises | 1,458 |  |  |  | 1,458 |  |  |  |  |  |
Stock option expense | 3,936 |  |  |  | 3,936 |  |  |  |  |  |
Stock awards | 6,105 |  |  |  | 5,684 |  |  | 421 |  |  |
Ending balance at Sep. 26, 2015 | $ 1,065,777 |  |  | $ 27,900 | $ 0 | $ 1,767,621 | $ (223,007) | $ (552,780) | $ 46,043 |  |

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