Segment Information (Details 1) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Summary of revenues and long lived assets according to geographic areas
Revenues	$ 291,836	$ 251,237	$ 312,655	$ 341,781	$ 359,635	$ 309,422	$ 323,529	$ 319,331	$ 1,197,509	$ 1,311,917	$ 1,343,135
Long-Lived Assets	227,400				189,521				227,400	189,521	188,218
UNITED STATES
Summary of revenues and long lived assets according to geographic areas
Revenues									961,049	1,127,893	1,205,713
Long-Lived Assets	193,164				158,970				193,164	158,970	166,132
CANADA
Summary of revenues and long lived assets according to geographic areas
Revenues									228,625	178,603	137,422
Long-Lived Assets	21,419				19,915				21,419	19,915	22,086
Other international [Member]
Summary of revenues and long lived assets according to geographic areas
Revenues									7,835	5,421	0
Long-Lived Assets	$ 12,817				$ 10,636				$ 12,817	$ 10,636	$ 0