v3.5.0.2
Note 11 - Operating Revenue by Geographic Area (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2014
UNITED STATES                      
Operating revenues                 $ 941,115 $ 753,208 $ 609,512
Long lived assets $ 757,198       $ 756,393       757,198 756,393 439,043
CANADA                      
Operating revenues                 82,918 102,106 115,678
Long lived assets 58,414       76,025       58,414 76,025 65,719
MEXICO                      
Operating revenues                 41,323 45,442 34,121
Long lived assets 32,070       25,100       32,070 25,100 18,868
Operating revenues 264,262 $ 259,574 $ 275,399 $ 266,121 253,267 $ 231,702 $ 222,371 $ 193,416 1,065,356 900,756 759,311
Long lived assets $ 847,682       $ 857,518       $ 847,682 $ 857,518 $ 523,630