COMMITMENTS AND CONTINGENCIES (Details)
$ in Thousands |
3 Months Ended |
6 Months Ended |
12 Months Ended |
20 Months Ended |
|
|
Sep. 30, 2015
USD ($)
aircraft
Agreements
Facility
|
Jun. 30, 2015
aircraft
|
Sep. 30, 2014
USD ($)
aircraft
|
Mar. 31, 2016
USD ($)
aircraft
|
Sep. 30, 2015
USD ($)
aircraft
Agreements
Facility
|
Sep. 30, 2014
USD ($)
aircraft
Agreements
|
Mar. 31, 2015
aircraft
Employee
|
May. 31, 2017
USD ($)
|
Aug. 12, 2015
People
|
| Commitments And Contingencies [Abstract] |
|
|
|
|
|
|
|
|
|
| Unrecorded unconditional purchase obligation, estimated deferral due in remainder of fiscal year | $ |
$ 100,000
|
|
|
|
$ 100,000
|
|
|
|
|
| Unrecorded unconditional purchase obligation, estimated annual expenditures for next two fiscal years | $ |
100,000
|
|
|
|
100,000
|
|
|
|
|
| Unrecorded unconditional purchase obligation, estimated annual expenditures after second fiscal year | $ |
$ 50,000
|
|
|
|
$ 50,000
|
|
|
|
|
| Number of signed client contracts |
11
|
|
|
|
11
|
|
|
|
|
| Operating leases rental expense | $ |
$ 54,400
|
|
$ 35,400
|
|
$ 108,300
|
$ 68,600
|
|
|
|
| Number of aircraft sale leaseback |
0
|
|
14
|
|
0
|
14
|
|
|
|
| Sale leaseback transaction, gross proceeds | $ |
$ 0
|
|
$ 380,700
|
|
$ 0
|
$ 380,700
|
|
|
|
| Number of agreements to leaseback aircraft | Agreements |
0
|
|
|
|
0
|
14
|
|
|
|
| Sale Leaseback Transaction Lease Terms, Maximum |
|
|
|
|
180 months
|
|
|
|
|
| Sale Leaseback Transaction Lease Renewal Option Terms, Maximum |
|
|
|
|
240 months
|
|
|
|
|
| Number of leased aircraft |
81
|
|
|
|
81
|
|
|
|
|
| Monthly Rent payment | $ |
|
|
|
|
$ 13,067
|
|
|
|
|
| Site Contingency, Number of Locations | Facility |
3
|
|
|
|
3
|
|
|
|
|
| Number Of Fatalities, Crew Members | People |
|
|
|
|
|
|
|
|
2
|
| Number Of Fatalities, Passengers | People |
|
|
|
|
|
|
|
|
4
|
| Number Of Surviving Passengers | People |
|
|
|
|
|
|
|
|
6
|
| Loss Contingency, Range of Possible Loss, Minimum | $ |
$ 6,000
|
|
|
|
$ 6,000
|
|
|
|
|
| Loss Contingency, Range of Possible Loss, Maximum | $ |
$ 9,000
|
|
|
|
$ 9,000
|
|
|
|
|
| Analysis Of Aircraft Orders And Options Rollforward |
|
|
|
|
|
|
|
|
|
| Aircraft Delivered |
(1)
|
|
(2)
|
|
(3)
|
(11)
|
|
|
|
| Voluntary Separation Program |
|
|
|
|
|
|
|
|
|
| Commitments And Contingencies [Abstract] |
|
|
|
|
|
|
|
|
|
| Voluntary Separation Program Number Of Employees Offered | Employee |
|
|
|
|
|
|
2,888
|
|
|
| Voluntary Separation Program Number Of Employees Acceptance | Employee |
|
|
|
|
|
|
137
|
|
|
| Severance costs | $ |
$ 900
|
|
|
|
$ 7,300
|
|
|
|
|
| Voluntary Separation Program | Direct cost |
|
|
|
|
|
|
|
|
|
| Commitments And Contingencies [Abstract] |
|
|
|
|
|
|
|
|
|
| Severance costs | $ |
|
|
|
|
6,700
|
|
|
|
|
| Voluntary Separation Program | General administrative expense |
|
|
|
|
|
|
|
|
|
| Commitments And Contingencies [Abstract] |
|
|
|
|
|
|
|
|
|
| Severance costs | $ |
|
|
|
|
600
|
|
|
|
|
| Voluntary Separation Program | Forecast |
|
|
|
|
|
|
|
|
|
| Commitments And Contingencies [Abstract] |
|
|
|
|
|
|
|
|
|
| Severance costs | $ |
|
|
|
|
|
|
|
$ 3,500
|
|
| Involuntary Separation Program |
|
|
|
|
|
|
|
|
|
| Commitments And Contingencies [Abstract] |
|
|
|
|
|
|
|
|
|
| Severance costs | $ |
4,800
|
|
|
|
6,400
|
|
|
|
|
| Involuntary Separation Program | Direct cost |
|
|
|
|
|
|
|
|
|
| Commitments And Contingencies [Abstract] |
|
|
|
|
|
|
|
|
|
| Severance costs | $ |
2,000
|
|
|
|
2,500
|
|
|
|
|
| Involuntary Separation Program | General administrative expense |
|
|
|
|
|
|
|
|
|
| Commitments And Contingencies [Abstract] |
|
|
|
|
|
|
|
|
|
| Severance costs | $ |
$ 2,800
|
|
|
|
$ 3,900
|
|
|
|
|
| Involuntary Separation Program | Forecast |
|
|
|
|
|
|
|
|
|
| Commitments And Contingencies [Abstract] |
|
|
|
|
|
|
|
|
|
| Severance costs | $ |
|
|
|
$ 5,500
|
|
|
|
|
|
| Unionized Employees Concentration Risk | Workforce Subject to Collective Bargaining Arrangements |
|
|
|
|
|
|
|
|
|
| Commitments And Contingencies [Abstract] |
|
|
|
|
|
|
|
|
|
| Concentration Risk, Percentage |
|
|
|
|
49.00%
|
|
|
|
|
| Collective Bargaining Agreements, Maximum Annual Escalation Per Employee, Percent |
|
|
|
|
21.00%
|
|
|
|
|
| Unionized Employees Concentration Risk | Workforce Subject to Collective Bargaining Arrangements Expiring within One Year |
|
|
|
|
|
|
|
|
|
| Commitments And Contingencies [Abstract] |
|
|
|
|
|
|
|
|
|
| Concentration Risk, Percentage |
|
|
|
|
6.00%
|
|
|
|
|
| Six months ending March 31, 2016 to fiscal year 2017 |
|
|
|
|
|
|
|
|
|
| Commitments And Contingencies [Abstract] |
|
|
|
|
|
|
|
|
|
| Number of leased aircraft |
9
|
|
|
|
9
|
|
|
|
|
| Monthly Rent payment | $ |
|
|
|
|
$ 1,070
|
|
|
|
|
| FY2018 to FY2020 |
|
|
|
|
|
|
|
|
|
| Commitments And Contingencies [Abstract] |
|
|
|
|
|
|
|
|
|
| Number of leased aircraft |
47
|
|
|
|
47
|
|
|
|
|
| Monthly Rent payment | $ |
|
|
|
|
$ 9,255
|
|
|
|
|
| FY2021 to FY2024 |
|
|
|
|
|
|
|
|
|
| Commitments And Contingencies [Abstract] |
|
|
|
|
|
|
|
|
|
| Number of leased aircraft |
25
|
|
|
|
25
|
|
|
|
|
| Monthly Rent payment | $ |
|
|
|
|
$ 2,742
|
|
|
|
|
| Medium aircraft |
|
|
|
|
|
|
|
|
|
| Analysis Of Aircraft Orders And Options Rollforward |
|
|
|
|
|
|
|
|
|
| Aircraft Delivered |
0
|
|
0
|
|
(1)
|
(3)
|
|
|
|
| Large aircraft |
|
|
|
|
|
|
|
|
|
| Analysis Of Aircraft Orders And Options Rollforward |
|
|
|
|
|
|
|
|
|
| Aircraft Delivered |
(1)
|
|
(2)
|
|
(2)
|
(8)
|
|
|
|
| Aircraft |
|
|
|
|
|
|
|
|
|
| Commitments And Contingencies [Abstract] |
|
|
|
|
|
|
|
|
|
| Operating leases rental expense | $ |
$ 47,300
|
|
$ 28,500
|
|
$ 93,900
|
$ 54,900
|
|
|
|
| Commitments |
|
|
|
|
|
|
|
|
|
| Commitments And Contingencies [Abstract] |
|
|
|
|
|
|
|
|
|
| Number of contingent aircraft |
17
|
|
|
|
17
|
|
|
|
|
| Analysis Of Aircraft Orders And Options Rollforward |
|
|
|
|
|
|
|
|
|
| Beginning of quarter |
46
|
45
|
|
41
|
45
|
|
|
|
|
| Aircraft Delivered |
(1)
|
(2)
|
|
|
|
|
|
|
|
| Aircraft ordered |
0
|
0
|
|
|
|
|
|
|
|
| Exercised options |
0
|
3
|
|
|
|
|
|
|
|
| Expired options |
0
|
0
|
|
|
|
|
|
|
|
| Reclassification |
(4)
|
0
|
|
|
|
|
|
|
|
| End of quarter |
41
|
46
|
|
|
41
|
|
45
|
|
|
| Options |
|
|
|
|
|
|
|
|
|
| Analysis Of Aircraft Orders And Options Rollforward |
|
|
|
|
|
|
|
|
|
| Beginning of quarter |
21
|
30
|
|
21
|
30
|
|
|
|
|
| Aircraft Delivered |
0
|
0
|
|
|
|
|
|
|
|
| Aircraft ordered |
0
|
0
|
|
|
|
|
|
|
|
| Exercised options |
0
|
(3)
|
|
|
|
|
|
|
|
| Expired options |
(4)
|
(6)
|
|
|
|
|
|
|
|
| Reclassification |
4
|
0
|
|
|
|
|
|
|
|
| End of quarter |
21
|
21
|
|
|
21
|
|
30
|
|
|
| Other Commitments |
|
|
|
|
|
|
|
|
|
| Commitments And Contingencies [Abstract] |
|
|
|
|
|
|
|
|
|
| Purchase commitments | $ |
$ 395,700
|
|
|
|
$ 395,700
|
|
|
|
|
| Aircraft |
|
|
|
|
|
|
|
|
|
| Commitments And Contingencies [Abstract] |
|
|
|
|
|
|
|
|
|
| Number of aircraft purchase commitments, due remainder of fiscal year |
20
|
|
|
|
20
|
|
|
|
|
| Number of aircraft purchase commitments, due in two years |
8
|
|
|
|
8
|
|
|
|
|
| Number of aircraft purchase commitments, due in three years |
6
|
|
|
|
6
|
|
|
|
|
| Number of aircraft purchase commitments, due in four years |
4
|
|
|
|
4
|
|
|
|
|
| Number of aircraft purchase commitments, due in five years and after |
3
|
|
|
|
3
|
|
|
|
|
| Number of aircraft purchase commitments |
41
|
|
|
|
41
|
|
|
|
|
| Purchase commitments, due remainder of year | $ |
$ 251,973
|
|
|
|
$ 251,973
|
|
|
|
|
| Purchase commitments, Due within Two Years | $ |
135,632
|
|
|
|
135,632
|
|
|
|
|
| Purchase commitments, Due within Three Years | $ |
78,778
|
|
|
|
78,778
|
|
|
|
|
| Purchase commitments, Due within Four Years | $ |
58,945
|
|
|
|
58,945
|
|
|
|
|
| Purchase commitments, Due within Five Years And After | $ |
31,550
|
|
|
|
31,550
|
|
|
|
|
| Purchase commitments | $ |
$ 556,878
|
|
|
|
$ 556,878
|
|
|
|
|
| Number of aircraft purchase options, due remainder of fiscal year |
0
|
|
|
|
0
|
|
|
|
|
| Number of aircraft purchase options, due in two years |
5
|
|
|
|
5
|
|
|
|
|
| Number of aircraft purchase options, due in three years |
16
|
|
|
|
16
|
|
|
|
|
| Number of aircraft purchase options, due in four years |
0
|
|
|
|
0
|
|
|
|
|
| Number of aircraft purchase options, due in five years and after |
0
|
|
|
|
0
|
|
|
|
|
| Number of aircraft purchase options |
21
|
|
|
|
21
|
|
|
|
|
| Aircraft purchase options, due remainder of year | $ |
$ 26,291
|
|
|
|
$ 26,291
|
|
|
|
|
| Aircraft purchase options, due in two years | $ |
180,100
|
|
|
|
180,100
|
|
|
|
|
| Aircraft purchase options, due in three years | $ |
214,008
|
|
|
|
214,008
|
|
|
|
|
| Aircraft purchase options, due in four years | $ |
0
|
|
|
|
0
|
|
|
|
|
| Aircraft purchase options, due in five years and after | $ |
0
|
|
|
|
0
|
|
|
|
|
| Aircraft purchase options | $ |
$ 420,399
|
|
|
|
$ 420,399
|
|
|
|
|
| Aircraft | Medium aircraft |
|
|
|
|
|
|
|
|
|
| Commitments And Contingencies [Abstract] |
|
|
|
|
|
|
|
|
|
| Number of aircraft purchase commitments, due remainder of fiscal year |
10
|
|
|
|
10
|
|
|
|
|
| Number of aircraft purchase commitments, due in two years |
0
|
|
|
|
0
|
|
|
|
|
| Number of aircraft purchase commitments, due in three years |
0
|
|
|
|
0
|
|
|
|
|
| Number of aircraft purchase commitments, due in four years |
0
|
|
|
|
0
|
|
|
|
|
| Number of aircraft purchase commitments, due in five years and after |
0
|
|
|
|
0
|
|
|
|
|
| Number of aircraft purchase commitments |
10
|
|
|
|
10
|
|
|
|
|
| Number of aircraft purchase options, due remainder of fiscal year |
0
|
|
|
|
0
|
|
|
|
|
| Number of aircraft purchase options, due in two years |
1
|
|
|
|
1
|
|
|
|
|
| Number of aircraft purchase options, due in three years |
7
|
|
|
|
7
|
|
|
|
|
| Number of aircraft purchase options, due in four years |
0
|
|
|
|
0
|
|
|
|
|
| Number of aircraft purchase options, due in five years and after |
0
|
|
|
|
0
|
|
|
|
|
| Number of aircraft purchase options |
8
|
|
|
|
8
|
|
|
|
|
| Aircraft | Large aircraft |
|
|
|
|
|
|
|
|
|
| Commitments And Contingencies [Abstract] |
|
|
|
|
|
|
|
|
|
| Number of aircraft purchase commitments, due remainder of fiscal year |
3
|
|
|
|
3
|
|
|
|
|
| Number of aircraft purchase commitments, due in two years |
4
|
|
|
|
4
|
|
|
|
|
| Number of aircraft purchase commitments, due in three years |
6
|
|
|
|
6
|
|
|
|
|
| Number of aircraft purchase commitments, due in four years |
4
|
|
|
|
4
|
|
|
|
|
| Number of aircraft purchase commitments, due in five years and after |
3
|
|
|
|
3
|
|
|
|
|
| Number of aircraft purchase commitments |
20
|
|
|
|
20
|
|
|
|
|
| Number of aircraft purchase options, due remainder of fiscal year |
0
|
|
|
|
0
|
|
|
|
|
| Number of aircraft purchase options, due in two years |
4
|
|
|
|
4
|
|
|
|
|
| Number of aircraft purchase options, due in three years |
9
|
|
|
|
9
|
|
|
|
|
| Number of aircraft purchase options, due in four years |
0
|
|
|
|
0
|
|
|
|
|
| Number of aircraft purchase options, due in five years and after |
0
|
|
|
|
0
|
|
|
|
|
| Number of aircraft purchase options |
13
|
|
|
|
13
|
|
|
|
|
| Aircraft | Medium and Large Aircrafts |
|
|
|
|
|
|
|
|
|
| Commitments And Contingencies [Abstract] |
|
|
|
|
|
|
|
|
|
| Purchase commitments, due remainder of year | $ |
$ 116,662
|
|
|
|
$ 116,662
|
|
|
|
|
| Purchase commitments, Due within Two Years | $ |
77,204
|
|
|
|
77,204
|
|
|
|
|
| Purchase commitments, Due within Three Years | $ |
78,778
|
|
|
|
78,778
|
|
|
|
|
| Purchase commitments, Due within Four Years | $ |
58,945
|
|
|
|
58,945
|
|
|
|
|
| Purchase commitments, Due within Five Years And After | $ |
31,550
|
|
|
|
31,550
|
|
|
|
|
| Purchase commitments | $ |
$ 363,139
|
|
|
|
$ 363,139
|
|
|
|
|
| Aircraft | U.K. SAR configured aircraft |
|
|
|
|
|
|
|
|
|
| Commitments And Contingencies [Abstract] |
|
|
|
|
|
|
|
|
|
| Number of aircraft purchase commitments, due remainder of fiscal year |
6
|
|
|
|
6
|
|
|
|
|
| Number of aircraft purchase commitments, due in two years |
4
|
|
|
|
4
|
|
|
|
|
| Number of aircraft purchase commitments, due in three years |
0
|
|
|
|
0
|
|
|
|
|
| Number of aircraft purchase commitments, due in four years |
0
|
|
|
|
0
|
|
|
|
|
| Number of aircraft purchase commitments, due in five years and after |
0
|
|
|
|
0
|
|
|
|
|
| Number of aircraft purchase commitments |
10
|
|
|
|
10
|
|
|
|
|
| Purchase commitments, due remainder of year | $ |
$ 109,052
|
|
|
|
$ 109,052
|
|
|
|
|
| Purchase commitments, Due within Two Years | $ |
58,428
|
|
|
|
58,428
|
|
|
|
|
| Purchase commitments, Due within Three Years | $ |
0
|
|
|
|
0
|
|
|
|
|
| Purchase commitments, Due within Four Years | $ |
0
|
|
|
|
0
|
|
|
|
|
| Purchase commitments, Due within Five Years And After | $ |
0
|
|
|
|
0
|
|
|
|
|
| Purchase commitments | $ |
$ 167,480
|
|
|
|
$ 167,480
|
|
|
|
|
| Aircraft | Other SAR configured aircraft |
|
|
|
|
|
|
|
|
|
| Commitments And Contingencies [Abstract] |
|
|
|
|
|
|
|
|
|
| Number of aircraft purchase commitments, due remainder of fiscal year |
1
|
|
|
|
1
|
|
|
|
|
| Number of aircraft purchase commitments, due in two years |
0
|
|
|
|
0
|
|
|
|
|
| Number of aircraft purchase commitments, due in three years |
0
|
|
|
|
0
|
|
|
|
|
| Number of aircraft purchase commitments, due in four years |
0
|
|
|
|
0
|
|
|
|
|
| Number of aircraft purchase commitments, due in five years and after |
0
|
|
|
|
0
|
|
|
|
|
| Number of aircraft purchase commitments |
1
|
|
|
|
1
|
|
|
|
|
| Purchase commitments, due remainder of year | $ |
$ 26,259
|
|
|
|
$ 26,259
|
|
|
|
|
| Purchase commitments, Due within Two Years | $ |
0
|
|
|
|
0
|
|
|
|
|
| Purchase commitments, Due within Three Years | $ |
0
|
|
|
|
0
|
|
|
|
|
| Purchase commitments, Due within Four Years | $ |
0
|
|
|
|
0
|
|
|
|
|
| Purchase commitments, Due within Five Years And After | $ |
0
|
|
|
|
0
|
|
|
|
|
| Purchase commitments | $ |
$ 26,259
|
|
|
|
$ 26,259
|
|
|
|
|