SEGMENT INFORMATION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Financial information of segments
NET SALES	$ 221,018	$ 238,650	$ 417,679	$ 459,509
NET INTERSEGMENT SALES	3,813	5,625	8,063	9,682
OPERATING INCOME	20,803	23,325	36,254	44,240
Restructuring and other charges - primarily Office		243		714
Reportable segments
Financial information of segments
OPERATING INCOME	20,803	23,568	36,254	44,954
Office
Financial information of segments
NET SALES	153,892	171,501	292,188	333,199
NET INTERSEGMENT SALES	422	1,125	1,170	1,458
OPERATING INCOME	8,723	11,797	15,655	23,173
Studio
Financial information of segments
NET SALES	39,194	39,674	72,368	75,326
NET INTERSEGMENT SALES	1,236	1,899	2,418	3,230
OPERATING INCOME	6,415	5,910	10,398	11,339
Coverings
Financial information of segments
NET SALES	27,932	27,475	53,123	50,984
NET INTERSEGMENT SALES	2,155	2,601	4,475	4,994
OPERATING INCOME	$ 5,665	$ 5,861	$ 10,201	$ 10,442