SEGMENT INFORMATION (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2016	Mar. 31, 2015
Financial information of segments
NET SALES	$ 284,629	$ 266,498
OPERATING PROFIT	31,849	22,299
Operating Segments
Financial information of segments
NET SALES	284,629	266,498
INTERSEGMENT SALES	4,133	3,791
Office \| Operating Segments
Financial information of segments
NET SALES	185,356	167,723
INTERSEGMENT SALES	581	486
OPERATING PROFIT	16,596	7,246
Studio \| Operating Segments
Financial information of segments
NET SALES	71,506	70,194
INTERSEGMENT SALES	1,305	1,380
OPERATING PROFIT	9,043	8,952
Coverings \| Operating Segments
Financial information of segments
NET SALES	27,767	28,581
INTERSEGMENT SALES	2,247	1,925
OPERATING PROFIT	$ 6,210	$ 6,101

The net result for the period of deducting operating expenses from operating revenues.

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

+ Details

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- Definition

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.

+ References

No definition available.

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