ORGANIZATION AND DESCRIPTION OF THE BUSINESS AND FINANCIAL STATEMENT PRESENTATION (Details) (ABF)	6 Months Ended	60 Months Ended			0 Months Ended
	Jun. 30, 2013	Mar. 31, 2018 Forecast week	Mar. 31, 2018 Forecast Minimum	Mar. 31, 2018 Forecast Maximum	Jun. 30, 2013 Unionized employees concentration risk Number of employees
Organization and description of business
Percentage of the Company's revenues represented by ABF	78.00%
Percentage of ABF's employees covered under collective bargaining agreement with the IBT					75.00%
Period of collective bargaining agreement		5 years
Immediate wage rate reduction under collective bargaining agreement from the implementation date through March 31, 2014 (as a percent)		7.00%
Wage rate increase for next three years of collective bargaining agreement (as a percent)		2.00%
Wage rate increase in fifth year of collective bargaining agreement (as a percent)		2.50%
Reduction in compensated vacation under collective bargaining agreement (in weeks)		1
Estimated annual rate increase in health, welfare, and pension contributions under collective bargaining agreement (as a percent)			3.50%	4.50%