v2.4.0.6

Note 10 - Segment Information and Significant Customers (Detail) - Segment reporting information (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Total revenues
Total revenues	$ 157,483	$ 153,309	$ 144,200	$ 143,960	$ 151,182	$ 138,766	$ 135,783	$ 142,518	$ 598,952	$ 568,249	$ 528,618
Operating income
Operating income	15,935	10,603	9,813	10,408	10,790	2,396	7,770	9,830	46,759	30,786	19,832
Depreciation and amortization
Depreciation and amortization									47,214	56,979	60,053
Interest income
Asset-based									(56)	(63)	(73)
Interest expense
Asset-based									5,684	8,210	10,127
Income before taxes
Income before taxes									41,543	27,424	9,711
Goodwill
Goodwill	16,702				16,702				16,702	16,702	19,137
Total assets
Total assets	520,711				416,666				520,711	416,666	449,482
Asset-based [Member]
Total revenues
Total revenues									556,770	527,586	491,438
Operating income
Operating income									43,723	28,044	17,179
Depreciation and amortization
Depreciation and amortization									47,214	56,971	60,041
Income before taxes
Income before taxes									38,085	20,278	7,058
Goodwill
Goodwill	15,334				15,334				15,334	15,334	16,702
Total assets
Total assets	516,106				411,167				516,106	411,167	435,438
Asset-light [Member]
Total revenues
Total revenues									42,182	40,663	37,180
Operating income
Operating income									3,036	2,742	2,653
Depreciation and amortization
Depreciation and amortization										8	12
Income before taxes
Income before taxes									3,458	7,146	2,653
Goodwill
Goodwill	1,368				1,368				1,368	1,368	2,435
Total assets
Total assets	$ 4,605				$ 5,499				$ 4,605	$ 5,499	$ 14,044

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