v2.4.0.6
Note 10 - Segment Information and Significant Customers (Detail) - The Company's operations by geographic area (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
Revenue $ 157,483 $ 153,309 $ 144,200 $ 143,960 $ 151,182 $ 138,766 $ 135,783 $ 142,518 $ 598,952 $ 568,249 $ 528,618
Long lived assets 394,667       301,333       394,667 301,333 343,839
United States [Member]
                     
Revenue                 520,951 496,353 462,948
Long lived assets 371,967       274,868       371,967 274,868 323,399
Canada [Member]
                     
Revenue                 46,698 41,943 38,974
Long lived assets 9,698       12,957       9,698 12,957 10,624
Mexico [Member]
                     
Revenue                 31,303 29,953 26,696
Long lived assets $ 13,002       $ 13,508       $ 13,002 $ 13,508 $ 9,816