Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer.

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The amount of interest income and other income recognized during the period. Included in this element is interest derived from investments in debt securities, cash and cash equivalents, and other investments which reflect the time value of money or transactions in which the payments are for the use or forbearance of money and other income from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business).

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Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

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The charge against earnings in the period for the uninsured portion of a loss from a fire, explosion, or natural disaster (hurricane, earthquake).

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The aggregate amount of other income amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) profits on securities (net of losses), and (d) miscellaneous other income items.

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The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items.

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Other Income (Expense) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
Other Income (Expense) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Oct. 03, 2015	Jul. 04, 2015	Apr. 04, 2015	Dec. 31, 2014	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Other Income (Expense) [Abstract]
Foreign exchange gain (loss)									$ 3,180	$ (1,115)	$ (993)
Interest income									4,397	4,939	4,566
Other									399	(1,335)	(1,720)
Other Income (expense)									7,976	2,489	1,853
Insurance receivable	$ 4,596								4,596
Loss related to Tianjin explosion	0	$ 5,350	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	5,350	$ 0	$ 0
Estimate of Loss	$ 9,946								$ 9,946