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Accumulated Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Dec. 31, 2017
Equity [Abstract] |
Summary of Accumulated Other Comprehensive (Loss) | A summary of AOCI(L) for 2017, 2016 and 2015 is as follows:
|  |  |  |  |  | Gains (Losses) During the Period |  |  | Reclassification to Income |  |  |  |  |
|  | January 1, |  |  | Pre-tax |  |  | Tax |  |  | Pre-tax |  |  | Tax |  |  | December 31, |
(in thousands) |  | 2017 |  |  | Activity |  |  | Effect |  |  | Activity |  |  | Effect |  |  | 2017 |
Net pension activity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Actuarial loss |  | $ | (72,393 | ) |  | $ | (11,219 | ) |  | $ | 2,768 |  |  | $ | 3,402 |  |  | $ | (1,176 | ) |  | $ | (78,618 | )
Prior service costs |  |  | (61 | ) |  |  | - |  |  |  | - |  |  |  | 28 |  |  |  | (10 | ) |  |  | (43 | )
Net postretirement benefits activity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Actuarial loss |  |  | (24,111 | ) |  |  | (1,796 | ) |  |  | 443 |  |  |  | 2,942 |  |  |  | (997 | ) |  |  | (23,519 | )
Prior service costs |  |  | 3,679 |  |  |  | - |  |  |  | - |  |  |  | (2,982 | ) |  |  | 1,047 |  |  |  | 1,744 |
Recognized loss due to divestiture of the Deep South and Somerset Exchange Business and the Florence and Laurel Distribution Business |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 8,257 |  |  |  | (2,037 | ) |  |  | 6,220 |
Foreign currency translation adjustment |  |  | (11 | ) |  |  | - |  |  |  | - |  |  |  | 40 |  |  |  | (15 | ) |  |  | 14 |
Total AOCI(L) |  | $ | (92,897 | ) |  | $ | (13,015 | ) |  | $ | 3,211 |  |  | $ | 11,687 |  |  | $ | (3,188 | ) |  | $ | (94,202 | )
|  |  |  |  |  | Gains (Losses) During the Period |  |  | Reclassification to Income |  |  |  |  |
|  | January 3, |  |  | Pre-tax |  |  | Tax |  |  | Pre-tax |  |  | Tax |  |  | January 1, |
(in thousands) |  | 2016 |  |  | Activity |  |  | Effect |  |  | Activity |  |  | Effect |  |  | 2017 |
Net pension activity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Actuarial loss |  | $ | (68,243 | ) |  | $ | (9,777 | ) |  | $ | 3,764 |  |  | $ | 3,031 |  |  | $ | (1,168 | ) |  | $ | (72,393 | )
Prior service costs |  |  | (78 | ) |  |  | - |  |  |  | - |  |  |  | 28 |  |  |  | (11 | ) |  |  | (61 | )
Net postretirement benefits activity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Actuarial loss |  |  | (19,825 | ) |  |  | (9,152 | ) |  |  | 3,523 |  |  |  | 2,186 |  |  |  | (843 | ) |  |  | (24,111 | )
Prior service costs |  |  | 5,744 |  |  |  | - |  |  |  | - |  |  |  | (3,360 | ) |  |  | 1,295 |  |  |  | 3,679 |
Foreign currency translation adjustment |  |  | (5 | ) |  |  | - |  |  |  | - |  |  |  | (11 | ) |  |  | 5 |  |  |  | (11 | )
Total AOCI(L) |  | $ | (82,407 | ) |  | $ | (18,929 | ) |  | $ | 7,287 |  |  | $ | 1,874 |  |  | $ | (722 | ) |  | $ | (92,897 | )
|  |  |  |  |  | Gains (Losses) During the Period |  |  | Reclassification to Income |  |  |  |  |
|  | December 28, |  |  | Pre-tax |  |  | Tax |  |  | Pre-tax |  |  | Tax |  |  | January 3, |
(in thousands) |  | 2014 |  |  | Activity |  |  | Effect |  |  | Activity |  |  | Effect |  |  | 2016 |
Net pension activity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Actuarial loss |  | $ | (74,867 | ) |  | $ | 7,513 |  |  | $ | (2,877 | ) |  | $ | 3,230 |  |  | $ | (1,242 | ) |  | $ | (68,243 | )
Prior service costs |  |  | (99 | ) |  | - |  |  | - |  |  |  | 35 |  |  |  | (14 | ) |  |  | (78 | )
Net postretirement benefits activity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Actuarial loss |  |  | (22,759 | ) |  |  | 1,599 |  |  |  | (613 | ) |  |  | 3,164 |  |  |  | (1,216 | ) |  |  | (19,825 | )
Prior service costs |  |  | 7,812 |  |  | - |  |  | - |  |  |  | (3,360 | ) |  |  | 1,292 |  |  |  | 5,744 |
Foreign currency translation adjustment |  |  | (1 | ) |  | - |  |  | - |  |  |  | (8 | ) |  |  | 4 |  |  |  | (5 | )
Total AOCI(L) |  | $ | (89,914 | ) |  | $ | 9,112 |  |  | $ | (3,490 | ) |  | $ | 3,061 |  |  | $ | (1,176 | ) |  | $ | (82,407 | )
Summary of Impact of Accumulated Other Comprehensive Income (Loss) on Income Statement | A summary of the impact on the income statement line items is as follows:
|  | Fiscal 2017 |
(in thousands) |  | Net Pension Activity |  |  | Net Postretirement Benefits Activity |  |  | Foreign Currency Translation Adjustment |  |  | Total |
Cost of sales |  | $ | 377 |  |  | $ | (9 | ) |  | $ | - |  |  | $ | 368 |
S,D&A expenses |  |  | 3,053 |  |  |  | (31 | ) |  |  | 40 |  |  |  | 3,062 |
Subtotal pre-tax |  |  | 3,430 |  |  |  | (40 | ) |  |  | 40 |  |  |  | 3,430 |
Income tax expense |  |  | 1,186 |  |  |  | (50 | ) |  |  | 15 |  |  |  | 1,151 |
Total after tax effect |  | $ | 2,244 |  |  | $ | 10 |  |  | $ | 25 |  |  | $ | 2,279 |
|  | Fiscal 2016 |
(in thousands) |  | Net Pension Activity |  |  | Net Postretirement Benefits Activity |  |  | Foreign Currency Translation Adjustment |  |  | Total |
Cost of sales |  | $ | 331 |  |  | $ | (174 | ) |  | $ | - |  |  | $ | 157 |
S,D&A expenses |  |  | 2,728 |  |  |  | (1,000 | ) |  |  | (11 | ) |  |  | 1,717 |
Subtotal pre-tax |  |  | 3,059 |  |  |  | (1,174 | ) |  |  | (11 | ) |  |  | 1,874 |
Income tax expense |  |  | 1,179 |  |  |  | (452 | ) |  |  | (5 | ) |  |  | 722 |
Total after tax effect |  | $ | 1,880 |  |  | $ | (722 | ) |  | $ | (6 | ) |  | $ | 1,152 |
|  | Fiscal 2015 |
(in thousands) |  | Net Pension Activity |  |  | Net Postretirement Benefits Activity |  |  | Foreign Currency Translation Adjustment |  |  | Total |
Cost of sales |  | $ | 359 |  |  | $ | (27 | ) |  | $ | - |  |  | $ | 332 |
S,D&A expenses |  |  | 2,906 |  |  |  | (169 | ) |  |  | (8 | ) |  |  | 2,729 |
Subtotal pre-tax |  |  | 3,265 |  |  |  | (196 | ) |  |  | (8 | ) |  |  | 3,061 |
Income tax expense |  |  | 1,256 |  |  |  | (76 | ) |  |  | (4 | ) |  |  | 1,176 |
Total after tax effect |  | $ | 2,009 |  |  | $ | (120 | ) |  | $ | (4 | ) |  | $ | 1,885 |

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