Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
Jun. 27, 2020	Mar. 28, 2020	Jun. 29, 2019	Mar. 30, 2019
Consolidated Statements of Changes in Stockholders' Equity
Change in pension benefit, income taxes	$ 77	$ 104	$ 52	$ 53
Dividends declared on common stock, per share (in dollars per share)	$ 0.475	$ 0.475	$ 0.475	$ 0.475

Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income for defined benefit plan, attributable to parent.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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