SEGMENT INFORMATION Segment Information with Corporate Costs Excluded (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Financial information of segments
SALES	$ 296,559	$ 256,820
OPERATING PROFIT	22,460	20,636
Operating Segments
Financial information of segments
SALES	296,559	256,820
INTERSEGMENT SALES	2,866	2,581
Corporate
Financial information of segments
OPERATING PROFIT	(6,582)	(6,603)
Acquisition costs	1,000
Office
Financial information of segments
Restructuring charges	500
Office \| Operating Segments
Financial information of segments
SALES	181,618	157,998
INTERSEGMENT SALES	512	274
OPERATING PROFIT	8,866	8,828
Lifestyle \| Operating Segments
Financial information of segments
SALES	114,941	98,822
INTERSEGMENT SALES	2,354	2,307
OPERATING PROFIT	$ 20,176	$ 18,411

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e1043-128460

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.P.3)
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 225
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-Section S99
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