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Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands | Total | Common Stock | Capital in Excess of Par Value | Retained Earnings | Accumulated Other Comprehensive Income (Loss) | Treasury Stock
--- | --- | --- | --- | --- | --- | ---
Balances at Jan. 02, 2016 | $ 1,243,082 | $ 199 | $ 636,501 | $ 877,817 | $ (96,800) | $ (174,635)
Balances (in shares) at Jan. 02, 2016 |  | 228,729,585 |  |  |  |
Balances, treasury shares at Jan. 02, 2016 |  |  |  |  |  | (16,463,137)
Net income | 163,776 |  |  | 163,776 |  |
Derivative instruments, net of tax | 9,129 |  |  |  | 9,129 |
Pension and postretirement plans, net of tax | 4,388 |  |  |  | 4,388 |
Stock repurchases | (126,300) |  | (1,125) |  |  | $ (125,175)
Stock repurchases (in shares) |  |  |  |  |  | (6,892,322)
Exercise of stock options | 27,631 |  | (4,323) |  |  | $ 31,954
Exercise of stock options (in shares) |  |  |  |  |  | 2,506,255
Issuance of deferred stock awards |  |  | (1,411) |  |  | $ 1,411
Issuance of deferred stock awards (in shares) |  |  |  |  |  | 111,868
Amortization of share-based compensation awards | 18,772 |  | 18,772 |  |  |
Income tax benefits related to share-based payments | 675 |  | 675 |  |  |
Performance-contingent restricted stock awards issued (Note 19) |  |  | (4,519) |  |  | $ 4,519
Performance-contingent restricted stock awards issued (in shares) |  |  |  |  |  | 424,787
Issuance of deferred compensation |  |  | (114) |  |  | $ 114
Issuance of deferred compensation (in shares) |  |  |  |  |  | 5,765
Dividends paid on vested performance-contingent restricted stock and deferred share awards | (583) |  |  | (583) |  |
Dividends paid | (130,490) |  |  | (130,490) |  |
Balances at Dec. 31, 2016 | 1,210,080 | $ 199 | 644,456 | 910,520 | (83,283) | $ (261,812)
Balances (in shares) at Dec. 31, 2016 |  | 228,729,585 |  |  |  |
Balances, treasury shares at Dec. 31, 2016 |  |  |  |  |  | (20,306,784)
Net income | 150,120 |  |  | 150,120 |  |
Derivative instruments, net of tax | (5,422) |  |  |  | (5,422) |
Pension and postretirement plans, net of tax | 4,146 |  |  |  | 4,146 |
Stock repurchases | (2,671) |  |  |  |  | $ (2,671)
Stock repurchases (in shares) |  |  |  |  |  | (140,135)
Exercise of stock options | 19,313 |  | (3,610) |  |  | $ 22,923
Exercise of stock options (in shares) |  |  |  |  |  | 1,773,336
Issuance of deferred stock awards |  |  | (1,789) |  |  | $ 1,789
Issuance of deferred stock awards (in shares) |  |  |  |  |  | 138,354
Amortization of share-based compensation awards | 16,093 |  | 16,093 |  |  |
Performance-contingent restricted stock awards issued (Note 19) |  |  | (4,240) |  |  | $ 4,240
Performance-contingent restricted stock awards issued (in shares) |  |  |  |  |  | 328,947
Issuance of deferred compensation |  |  | (38) |  |  | $ 38
Issuance of deferred compensation (in shares) |  |  |  |  |  | 2,901
Dividends paid on vested performance-contingent restricted stock and deferred share awards | (553) |  |  | (553) |  |
Dividends paid | (140,429) |  |  | (140,429) |  |
Balances at Dec. 30, 2017 | $ 1,250,677 | $ 199 | 650,872 | 919,658 | (84,559) | $ (235,493)
Balances (in shares) at Dec. 30, 2017 |  | 228,729,585 |  |  |  |
Balances, treasury shares at Dec. 30, 2017 | (18,203,381) |  |  |  |  | (18,203,381)
Net income | $ 157,160 |  |  | 157,160 |  |
Derivative instruments, net of tax | 4,057 |  |  |  | 4,057 |
Pension and postretirement plans, net of tax | (9,863) |  |  |  | (9,863) |
Stock repurchases | (2,489) |  |  |  |  | $ (2,489)
Stock repurchases (in shares) |  |  |  |  |  | (120,147)
Exercise of stock options | 791 |  | (151) |  |  | $ 942
Exercise of stock options (in shares) |  |  |  |  |  | 72,785
Issuance of deferred stock awards |  |  | (1,206) |  |  | $ 1,206
Issuance of deferred stock awards (in shares) |  |  |  |  |  | 92,935
Amortization of share-based compensation awards | 8,148 |  | 8,148 |  |  |
Performance-contingent restricted stock awards issued (Note 19) |  |  | (4,062) |  |  | $ 4,062
Performance-contingent restricted stock awards issued (in shares) |  |  |  |  |  | 313,906
Issuance of deferred compensation |  |  | (124) |  |  | $ 124
Issuance of deferred compensation (in shares) |  |  |  |  |  | 9,524
Reclassification of stranded income tax effects to retained earnings(Note 2) |  |  |  | 18,806 | (18,806) |
Dividends paid on vested performance-contingent restricted stock and deferred share awards | (498) |  |  | (498) |  |
Dividends paid | (149,716) |  |  | (149,716) |  |
Balances at Dec. 29, 2018 | $ 1,258,267 | $ 199 | $ 653,477 | $ 945,410 | $ (109,171) | $ (231,648)
Balances (in shares) at Dec. 29, 2018 |  | 228,729,585 |  |  |  |
Balances, treasury shares at Dec. 29, 2018 | (17,834,378) |  |  |  |  | (17,834,378)

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