Consolidated changes in equity
| 1,000 CHF | 
 | |||||||||||
| 
 | 
 | Attributable to equity holders of Sonova Holding AG | 
 | 
 | 
 | 
 | ||||||
| 
 | Share capital | 
 | Retained earnings and other reserves | 
 | Translation adjustment | 
 | Treasury shares | 
 | Non- controlling interests | 
 | Total equity | |
| Balance April 1, 2016 | 
 | 3,331 | 
 | 2,330,723 | 
 | (296,046) | 
 | (155,676) 1) | 
 | 23,934 | 
 | 1,906,266 | 
| Income for the period | 
 | 
 | 
 | 349,172 | 
 | 
 | 
 | 
 | 
 | 7,004 | 
 | 356,176 | 
| Actuarial gain from defined benefit plans, net | 
 | 
 | 
 | 39,448 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 39,448 | 
| Tax effect on actuarial gain | 
 | 
 | 
 | (5,539) | 
 | 
 | 
 | 
 | 
 | 
 | 
 | (5,539) | 
| Currency translation differences | 
 | 
 | 
 | (67) | 
 | (3,820) | 
 | 
 | 
 | (1,928) | 
 | (5,815) | 
| Tax effect on currency translation | 
 | 
 | 
 | 
 | 
 | (2,040) | 
 | 
 | 
 | 
 | 
 | (2,040) | 
| Total comprehensive income | 
 | 
 | 
 | 383,014 | 
 | (5,860) | 
 | 
 | 
 | 5,076 | 
 | 382,230 | 
| Capital decrease – share buy-back program | 
 | (60) | 
 | (155,579) | 
 | 
 | 
 | 155,639 | 
 | 
 | 
 | 
 | 
| Share-based payments | 
 | 
 | 
 | 4,824 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 4,824 | 
| Sale of treasury shares | 
 | 
 | 
 | (6,627) | 
 | 
 | 
 | 38,780 | 
 | 
 | 
 | 32,153 | 
| Purchase of treasury shares | 
 | 
 | 
 | 
 | 
 | 
 | 
 | (50,873) | 
 | 
 | 
 | (50,873) | 
| Dividend paid | 
 | 
 | 
 | (137,178) | 
 | 
 | 
 | 
 | 
 | (6,150) | 
 | (143,328) | 
| Balance March 31, 2017 | 
 | 3,271 | 
 | 2,419,177 | 
 | (301,906) | 
 | (12,130) 1) | 
 | 22,860 | 
 | 2,131,272 | 
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| Balance April 1, 2017 | 
 | 3,271 | 
 | 2,419,177 | 
 | (301,906) | 
 | (12,130) 1) | 
 | 22,860 | 
 | 2,131,272 | 
| Income for the period | 
 | 
 | 
 | 400,135 | 
 | 
 | 
 | 
 | 
 | 7,300 | 
 | 407,435 | 
| Actuarial gain from defined benefit plans, net | 
 | 
 | 
 | 15,000 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 15,000 | 
| Tax effect on actuarial gain | 
 | 
 | 
 | (2,125) | 
 | 
 | 
 | 
 | 
 | 
 | 
 | (2,125) | 
| Currency translation differences | 
 | 
 | 
 | 
 | 
 | 91,399 | 
 | 
 | 
 | 1,785 | 
 | 93,184 | 
| Tax effect on currency translation | 
 | 
 | 
 | 
 | 
 | (381) | 
 | 
 | 
 | 
 | 
 | (381) | 
| Total comprehensive income | 
 | 
 | 
 | 413,010 | 
 | 91,018 | 
 | 
 | 
 | 9,085 | 
 | 513,113 | 
| Capital decrease – share buy-back program | 
 | (4) | 
 | (11,785) | 
 | 
 | 
 | 11,789 | 
 | 
 | 
 | 
 | 
| Share-based payments | 
 | 
 | 
 | 4,539 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 4,539 | 
| Sale of treasury shares | 
 | 
 | 
 | (14,802) | 
 | 
 | 
 | 50,317 | 
 | 
 | 
 | 35,515 | 
| Purchase of treasury shares | 
 | 
 | 
 | 
 | 
 | 
 | 
 | (50,512) | 
 | 
 | 
 | (50,512) | 
| Dividend paid | 
 | 
 | 
 | (150,250) | 
 | 
 | 
 | 
 | 
 | (8,768) | 
 | (159,018) | 
| Balance March 31, 2018 | 
 | 3,267 | 
 | 2,659,889 | 
 | (210,888) | 
 | (536) | 
 | 23,177 | 
 | 2,474,909 | 
1) Includes derivative financial instruments on treasury shares.
The Notes are an integral part of the consolidated financial statements.