Business Segment Information (Tables)

6 Months Ended

Nov. 30, 2018

Business Segment Information

Schedule of selected financial information for each reportable segment

	Three Months Ended				Six Months Ended
	November 30,				November 30,
	2018		2017		2018		2017
Sales:
Aviation Services	$	462.9	$	391.7	$	901.3	$	763.0
Expeditionary Services		30.4		28.9		58.3		55.5
	$	493.3	$	420.6	$	959.6	$	818.5

	Three Months Ended				Six Months Ended
	November 30,				November 30,
	2018		2017		2018		2017
Gross profit:
Aviation Services	$	74.9	$	66.0	$	142.0	$	123.8
Expeditionary Services		3.4		4.7		7.5		8.5
	$	78.3	$	70.7	$	149.5	$	132.3

Schedule of reconciliation of segment gross profit to income from continuing operations before provision for income taxes

	Three Months Ended				Six Months Ended
	November 30,				November 30,
	2018		2017		2018		2017
Segment gross profit	$	78.3	$	70.7	$	149.5	$	132.3
Selling, general and administrative		(49.1)		(48.8)		(97.3)		(93.1)
Provision for doubtful accounts		(12.4)		(0.1)		(13.0)		(0.3)
Other income (expense), net		(0.2)		—		0.2		—
Interest expense		(2.5)		(1.9)		(4.6)		(3.6)
Interest income		0.1		0.1		0.6		0.1
Income from continuing operations before provision for income taxes	$	14.2	$	20.0	$	35.4	$	35.4