Note 20 - Segment Information (Details) - Segment Information (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Segment Reporting Information [Line Items]
Net sales	$ 812,450	$ 894,881	$ 880,428
Operating income (loss)	121,351	164,039	134,497
Total assets	895,321	837,411
Capital expenditures	109,362	84,940	57,307
Specialty Fibers [Member]
Segment Reporting Information [Line Items]
Net sales	601,173	686,733	648,487
Operating income (loss)	131,295	165,441	147,544
Depreciation and amortization of intangibles	31,246	31,033	30,124
Total assets	571,305	487,764	517,866
Capital expenditures	96,901	73,364	49,526
Nonwoven Materials [Member]
Segment Reporting Information [Line Items]
Net sales	228,543	239,007	264,931
Operating income (loss)	21,199	11,735	13,768
Depreciation and amortization of intangibles	13,414	16,087	15,202
Total assets	147,258	182,924	239,530
Capital expenditures	8,697	9,368	6,870
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Net sales	(17,266)	(30,859)	(32,990)
Operating income (loss)	(31,143)	(13,137)	(26,815)
Depreciation and amortization of intangibles	3,787	3,861	3,837
Total assets	176,758	166,723	112,455
Capital expenditures	3,764	2,208	911
Total [Member]
Segment Reporting Information [Line Items]
Net sales	812,450	894,881	880,428
Operating income (loss)	121,351	164,039	134,497
Depreciation and amortization of intangibles	48,447	50,981	49,163
Total assets	895,321	837,411	869,851
Capital expenditures	$ 109,362	$ 84,940	$ 57,307