Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount before tax of reclassification adjustment from accumulated other comprehensive income for translation gain (loss) realized upon the sale or liquidation of an investment in a foreign entity and foreign currency hedges that are designated and qualified as hedging instruments for hedges of the foreign currency exposure of a net investment in a foreign operation.

+ References

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Gain Loss On Sale Of Business, Before Foreign Currency Adjustment

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DIVESTITURE - Summary of Gain (Loss) on Divestiture (Details) - USD ($)		12 Months Ended
	Apr. 30, 2018	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net pre-tax loss from divestiture of the grinding media business		$ (6,084,000)	$ 0	$ 0
Donhad \| Disposed by sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Pre-tax gain from divestiture, before recognition of currency translation loss	$ 4,334,000
Recognition of cumulative currency translation loss and hedges (out of OCI)	(10,418,000)
Net pre-tax loss from divestiture of the grinding media business	$ (6,084,000)