Note 20 - Selected Financial Information for Polyester, Nylon and International Segments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 27, 2015	Dec. 28, 2014	Dec. 27, 2015	Dec. 28, 2014
Polyester [Member] | Operating Segments [Member]
Segment depreciation expense	$ 2,736	$ 2,442	$ 5,547	$ 4,856
Segment profit (loss)	14,549	14,774	26,649	27,464
Polyester [Member]
Net sales	89,814	90,431	180,382	183,409
Cost of sales	78,001	78,099	159,280	160,801
Gross profit (loss)	11,813	12,332	21,102	22,608
Nylon [Member] | Operating Segments [Member]
Segment depreciation expense	515	470	1,033	932
Segment profit (loss)	6,229	6,098	12,929	11,709
Nylon [Member]
Net sales	40,367	39,212	81,043	83,922
Cost of sales	34,653	33,584	69,147	73,145
Gross profit (loss)	5,714	5,628	11,896	10,777
International [Member] | Operating Segments [Member]
Segment depreciation expense	192	658	413	1,385
Segment profit (loss)	4,573	5,735	10,385	11,775
International [Member]
Net sales	24,812	33,506	54,183	70,000
Cost of sales	20,431	28,429	44,211	59,610
Gross profit (loss)	4,381	5,077	9,972	10,390
Other Segments [Member] | Operating Segments [Member]
Segment depreciation expense	162	109	314	219
Segment profit (loss)	67	1	141	(177)
Other Segments [Member]
Net sales	1,343	1,273	2,893	2,652
Cost of sales	1,438	1,381	3,066	3,048
Gross profit (loss)	(95)	(108)	(173)	(396)
Operating Segments [Member]
Gross profit (loss)	21,813	22,929	42,797	43,379
Segment depreciation expense	3,605	3,679	7,307	7,392
Segment profit (loss)	25,418	26,608	50,104	50,771
Net sales	156,336	164,422	318,501	339,983
Cost of sales	134,523	141,493	275,704	296,604
Gross profit (loss)	$ 21,813	$ 22,929	$ 42,797	$ 43,379