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Investments: (Tables)

3 Months Ended

Apr. 01, 2017

Summary of marketable securities classified as available-for-sale securities


	April 1, 2017				December 31, 2016
	Cost		Fair Value		Cost		Fair Value
Equity securities	$	215,800	$	207,500	$	215,800	$	199,900

Schedule of the Company's unrealized gains and losses for marketable securities classified as available-for-sale securities in accumulated other comprehensive loss



	April 1, 2017		December 31, 2016
Unrealized gains	$	1,000	$	—
Unrealized losses		(9,300)		(15,900)
Net unrealized losses	$	(8,300)	$	(15,900)

Schedule of the Company's realized gains and losses recognized on sales of available-for-sale marketable securities


	Three Months Ended
	April 1, 2017		March 26, 2016
Realized gains	$	—	$	—
Realized losses		—		(6,200)
Net realized gains (losses)	$	—	$	(6,200)

- Definition

Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

+ References + Details