STOCK-BASED COMPENSATION: Recognition of incremental and accelerated compensation costs related to the PSU conversions (Details) - Performance Based Restricted Stock Units $ in Thousands	Oct. 01, 2018 USD ($)
Share-based compensation
Incremental compensation cost	$ 8,778
Accelerated compensation cost	1,607
Continuing operations
Share-based compensation
Incremental compensation cost	7,179
Accelerated compensation cost	0
Discontinued Operations
Share-based compensation
Incremental compensation cost	1,599
Accelerated compensation cost	$ 1,607

An excess of the fair value of the modified award over the fair value of the award immediately before the modification.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)(iii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration