Credit facilities (Details)
In Millions, unless otherwise specified |
0 Months Ended | 3 Months Ended | 6 Months Ended | 6 Months Ended | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mar. 15, 2013
Credit Facility
USD ($)
|
Mar. 31, 2014
Credit Facility
USD ($)
|
Mar. 31, 2014
Credit Facility
Base Rate
|
Mar. 31, 2014
Credit Facility
Euro currency Rate
|
Mar. 31, 2014
Credit Facility
Index Rate
|
Mar. 31, 2014
Credit Facility
Minimum
|
Mar. 31, 2014
Credit Facility
Minimum
Base Rate
|
Mar. 31, 2014
Credit Facility
Minimum
Euro currency Rate
|
Mar. 31, 2014
Credit Facility
Minimum
Index Rate
|
Mar. 31, 2014
Credit Facility
Maximum
|
Mar. 31, 2014
Credit Facility
Maximum
Base Rate
|
Mar. 31, 2014
Credit Facility
Maximum
Euro currency Rate
|
Mar. 31, 2014
Credit Facility
Maximum
Index Rate
|
Mar. 15, 2013
Swingline loans
USD ($)
|
Mar. 31, 2014
Letters of credit
USD ($)
Letter
|
Mar. 15, 2013
Letters of credit
USD ($)
|
Mar. 31, 2014
Letters of credit
Minimum
|
Mar. 31, 2014
Letters of credit
Maximum
|
Mar. 31, 2014
Letter of credit (Other than Revolving Credit Agreement)
USD ($)
Letter
|
Mar. 31, 2014
Atlantic Innovation Fund of Canada
USD ($)
Installment
|
Mar. 31, 2014
Atlantic Innovation Fund of Canada
CAD
|
Mar. 31, 2014
Performance Bonds
USD ($)
|
Sep. 30, 2013
Performance Bonds
USD ($)
|
|
Credit facilities | |||||||||||||||||||||||
Term of the credit agreement | 5 years | ||||||||||||||||||||||
Maximum borrowing capacity | $ 100.0 | $ 5.0 | $ 30.0 | 1.8 | |||||||||||||||||||
Number of letters of credit issued | 4 | 2 | |||||||||||||||||||||
Amount borrowed | 15 | ||||||||||||||||||||||
Amount borrowed | 6.7 | 3.0 | |||||||||||||||||||||
Amount repaid | 15 | ||||||||||||||||||||||
Leverage ratio | 2.5 | ||||||||||||||||||||||
Leverage ratio, actual | 0.1 | ||||||||||||||||||||||
Leverage ratio to calculate annual commitment fee (as a percent) | 0.15% | 0.30% | |||||||||||||||||||||
Variable rate basis | Base Rate | Eurocurrency Rate | Index Rate | ||||||||||||||||||||
Margin (as a percent) | 0.00% | 1.00% | 1.00% | 0.75% | 1.75% | 1.75% | |||||||||||||||||
Interest charges (as a percent) | 0.00% | 0.00% | |||||||||||||||||||||
Amount outstanding | 1.3 | 1.4 | |||||||||||||||||||||
Number of remaining quarterly installments | 33 | 33 | |||||||||||||||||||||
Performance bond commitments | $ 50.5 | $ 50.8 |