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Condensed Consolidated Statement of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands | Total | Common Stock | Capital in Excess of Par Value | Retained Earnings | Accumulated Other Comprehensive Income (Loss) | Treasury Stock
--- | --- | --- | --- | --- | --- | ---
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 | 71,587 |  |  | 71,587 |  |
Derivative instruments, net of tax | (4,766) |  |  |  | (4,766) |
Pension and postretirement plans, net of tax | 1,947 |  |  |  | 1,947 |
Exercise of stock options | 9,296 |  | (1,702) |  |  | $ 10,998
Exercise of stock options (in shares) |  |  |  |  |  | 851,801
Amortization of share-based compensation awards | 11,708 |  | 11,708 |  |  |
Issuance of deferred compensation |  |  | (37) |  |  | $ 37
Issuance of deferred compensation (in shares) |  |  |  |  |  | 2,788
Performance-contingent restricted stock awards issued (Note 17) |  |  | (4,240) |  |  | $ 4,240
Performance-contingent restricted stock awards issued (in shares) |  |  |  |  |  | 328,947
Issuance of deferred stock awards |  |  | (1,789) |  |  | $ 1,789
Issuance of deferred stock awards (in shares) |  |  |  |  |  | 138,354
Stock repurchases | (2,671) |  |  |  |  | $ (2,671)
Stock repurchases (in shares) |  |  |  |  |  | (140,135)
Dividends paid on vested share-based payment awards | (553) |  |  | (553) |  |
Dividends paid | (104,654) |  |  | (104,654) |  |
Balances at Oct. 07, 2017 | 1,191,974 | $ 199 | 648,396 | 876,900 | (86,102) | $ (247,419)
Balances (in shares) at Oct. 07, 2017 |  | 228,729,585 |  |  |  |
Balances, treasury shares at Oct. 07, 2017 |  |  |  |  |  | (19,125,029)
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)
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)
Balances at Jul. 15, 2017 | $ 1,264,587 | $ 199 | 645,927 | 946,077 | (76,768) | $ (250,848)
Balances (in shares) at Jul. 15, 2017 |  | 228,729,585 |  |  |  |
Balances, treasury shares at Jul. 15, 2017 |  |  |  |  |  | (19,389,963)
Net income | (33,571) |  |  | (33,571) |  |
Derivative instruments, net of tax | (9,280) |  |  |  | (9,280) |
Pension and postretirement plans, net of tax | (54) |  |  |  | (54) |
Exercise of stock options | 2,880 |  | (547) |  |  | $ 3,427
Exercise of stock options (in shares) |  |  |  |  |  | 264,821
Amortization of share-based compensation awards | 3,018 |  | 3,018 |  |  |
Issuance of deferred compensation |  |  | (2) |  |  | $ 2
Issuance of deferred compensation (in shares) |  |  |  |  |  | 113
Dividends paid | (35,606) |  |  | (35,606) |  |
Balances at Oct. 07, 2017 | 1,191,974 | $ 199 | 648,396 | 876,900 | (86,102) | $ (247,419)
Balances (in shares) at Oct. 07, 2017 |  | 228,729,585 |  |  |  |
Balances, treasury shares at Oct. 07, 2017 |  |  |  |  |  | (19,125,029)
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 | $ 136,319 |  |  | 136,319 |  |
Derivative instruments, net of tax | 9,744 |  |  |  | 9,744 |
Pension and postretirement plans, net of tax | (12,119) |  |  |  | (12,119) |
Exercise of stock options | 791 |  | (151) |  |  | $ 942
Exercise of stock options (in shares) |  |  |  |  |  | 72,785
Amortization of share-based compensation awards | 6,892 |  | 6,892 |  |  |
Issuance of deferred compensation |  |  | (122) |  |  | $ 122
Issuance of deferred compensation (in shares) |  |  |  |  |  | 9,411
Performance-contingent restricted stock awards issued (Note 17) |  |  | (4,062) |  |  | $ 4,062
Performance-contingent restricted stock awards issued (in shares) |  |  |  |  |  | 313,906
Issuance of deferred stock awards |  |  | (1,054) |  |  | $ 1,054
Issuance of deferred stock awards (in shares) |  |  |  |  |  | 81,255
Stock repurchases | (2,489) |  |  |  |  | $ (2,489)
Stock repurchases (in shares) |  |  |  |  |  | (120,147)
Dividends paid on vested share-based payment awards | (492) |  |  | (492) |  |
Dividends paid | (111,755) |  |  | (111,755) |  |
Reclassification of stranded income tax effects to retained earnings (Note 1) | 18,800 |  |  | 18,806 | (18,806) |
Balances at Oct. 06, 2018 | $ 1,277,568 | $ 199 | 652,375 | 962,536 | (105,740) | $ (231,802)
Balances (in shares) at Oct. 06, 2018 |  | 228,729,585 |  |  |  |
Balances, treasury shares at Oct. 06, 2018 | (17,846,171) |  |  |  |  | (17,846,171)
Balances at Jul. 14, 2018 | $ 1,297,935 | $ 199 | 650,934 | 960,865 | (82,260) | $ (231,803)
Balances (in shares) at Jul. 14, 2018 |  | 228,729,585 |  |  |  |
Balances, treasury shares at Jul. 14, 2018 |  |  |  |  |  | (17,846,284)
Net income | 39,630 |  |  | 39,630 |  |
Derivative instruments, net of tax | 7,660 |  |  |  | 7,660 |
Pension and postretirement plans, net of tax | (31,140) |  |  |  | (31,140) |
Amortization of share-based compensation awards | 1,442 |  | 1,442 |  |  |
Issuance of deferred compensation |  |  | (1) |  |  | $ 1
Issuance of deferred compensation (in shares) |  |  |  |  |  | 113
Dividends paid | (37,959) |  |  | (37,959) |  |
Balances at Oct. 06, 2018 | $ 1,277,568 | $ 199 | $ 652,375 | $ 962,536 | $ (105,740) | $ (231,802)
Balances (in shares) at Oct. 06, 2018 |  | 228,729,585 |  |  |  |
Balances, treasury shares at Oct. 06, 2018 | (17,846,171) |  |  |  |  | (17,846,171)

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