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Accumulated Other Comprehensive Income (Loss) and Shareholders' Equity (Tables) | 6 Months Ended
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Jun. 30, 2018
Equity [Abstract] |
Schedule of Components of Accumulated Other Comprehensive Income and Changes in Accumulated Other Comprehensive Income, Net of Tax | The following tables summarize the components of accumulated other comprehensive income (loss) and the changes in accumulated other comprehensive income (loss), net of tax, as applicable for the six months ended (in thousands):
|  | Foreign Currency Translation Adjustment |  | Unrealized Gains (Losses) on Marketable Securities |  | Pension and Post-retirement Liabilities |  | Derivative Financial Instruments |  | Accumulated Other Comprehensive Income (Loss)
Balance as of December 30, 2017 |  | $ | 31 |  |  | $ | (132 | ) |  | $ | (5,630 | ) |  | $ | 2,120 |  |  | $ | (3,611 | )
Other comprehensive income (loss) before reclassifications |  | (1,127 | ) |  | (117 | ) |  | — |  |  | 2,147 |  |  | 903 |
Tax (expense) or benefit |  | — |  |  | 25 |  |  | — |  |  | (526 | ) |  | (501 | )
Amounts reclassified from accumulated other comprehensive income (loss), net of tax |  | — |  |  | — |  |  | — |  |  | (268 | ) |  | (268 | )
Balance as of June 30, 2018 |  | $ | (1,096 | ) |  | $ | (224 | ) |  | $ | (5,630 | ) |  | $ | 3,473 |  |  | $ | (3,477 | )
Amounts in parentheses indicate reductions to equity.
|  | Foreign Currency Translation Adjustment |  | Unrealized Gains (Losses) on Marketable Securities |  | Pension and Post-retirement Liabilities |  | Derivative Financial Instruments |  | Accumulated Other Comprehensive Income (Loss)
Balance as of December 31, 2016 |  | $ | (1,188 | ) |  | $ | (105 | ) |  | $ | (5,167 | ) |  | $ | 1,460 |  |  | $ | (5,000 | )
Other comprehensive income (loss) before reclassifications |  | 459 |  |  | 57 |  |  | — |  |  | (505 | ) |  | 11 |
Tax (expense) or benefit |  | — |  |  | (20 | ) |  | — |  |  | 186 |  |  | 166 |
Amounts reclassified from accumulated other comprehensive income (loss), net of tax |  | — |  |  | — |  |  | — |  |  | 190 |  |  | 190 |
Balance as of July 1, 2017 |  | $ | (729 | ) |  | $ | (68 | ) |  | $ | (5,167 | ) |  | $ | 1,331 |  |  | $ | (4,633 | )
Amounts in parentheses indicate reductions to equity.
Schedule of Reclassification from Accumulated Other Comprehensive Income | The following table details the reclassifications from accumulated other comprehensive income (loss) (in thousands):
|  | Three Months Ended |  | Six Months Ended
Details about Accumulated Other Comprehensive Income (Loss) Components | Affected Line Item in the Statement Where Net Income is Presented | June 30, 2018 |  | July 1, 2017 |  | June 30, 2018 |  | July 1, 2017
Derivative financial instruments |  |  |  |  |  |  |  |
Interest rate swap | Interest (expense) or income | $ | 241 |  |  | $ | (108 | ) |  | $ | 355 |  |  | $ | (301 | )
| Tax (expense) or benefit | (59 | ) |  | 40 |  |  | (87 | ) |  | 111 |
| Net of tax | $ | 182 |  |  | $ | (68 | ) |  | $ | 268 |  |  | $ | (190 | )
Amounts in parentheses indicate reductions to profit.
Schedule of Share Repurchases | The following table summarizes shares repurchased and settled by the Corporation (in thousands, except share data):
| Six Months Ended
| June 30, 2018 |  | July 1, 2017
Shares repurchased | 205,822 |  |  | 521,562 |
Cash purchase price | $ | (7,963 | ) |  | $ | (23,828 | )
Purchases unsettled as of quarter end | 224 |  |  | 1,211 |
Prior year purchases settled in current year | (1,381 | ) |  | — |
Shares repurchased per cash flow | $ | (9,120 | ) |  | $ | (22,617 | )
Schedule of Dividends Declared and Paid Per Share | The Corporation declared and paid cash dividends per share as follows (in dollars):
| Six Months Ended
| June 30, 2018 |  | July 1, 2017
Common shares | $ | 0.580 |  |  | $ | 0.560 |

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- Definition Tabular disclosure of accelerated share repurchase (ASR) programs. An ASR is a combination of transactions that permits an entity to purchase a targeted number of shares immediately with the final purchase price of those shares determined by an average market price over a fixed period of time. An accelerated share repurchase program is intended to combine the immediate share retirement benefits of a tender offer with the market impact and pricing benefits of a disciplined daily open market stock repurchase program. ASRs can be disclosed as part of stockholders' equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 25 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6405686&loc=d3e22802-112653 + Details
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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669686-108580 + Details
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