Financing Arrangements (Details) - USD ($)
|
|
|
1 Months Ended |
6 Months Ended |
Mar. 01, 2016 |
Mar. 04, 2014 |
Mar. 10, 2016 |
Jan. 31, 2016 |
| Financing Arrangements |
|
|
|
|
| Unamortized debt issuance costs |
|
|
|
$ 1,129,000
|
| Credit Agreement |
|
|
|
|
| Financing Arrangements |
|
|
|
|
| Maximum borrowing capacity |
|
$ 250,000,000
|
|
|
| Debt issuance costs |
|
1,318,000
|
|
|
| Fees on unused portion of credit facilities (as a percent) |
|
|
|
0.25%
|
| Shares of foreign subsidiaries pledged as security (as a percent) |
|
|
|
65.00%
|
| Outstanding borrowings |
|
|
|
$ 133,500,000
|
| Credit Agreement | Subsequent Events |
|
|
|
|
| Financing Arrangements |
|
|
|
|
| Outstanding borrowings |
|
|
$ 139,000,000
|
|
| Repayment of borrowings |
|
|
$ 8,000,000
|
|
| Credit Agreement | North American Science Associates Inc | Subsequent Events |
|
|
|
|
| Financing Arrangements |
|
|
|
|
| Amount borrowed |
$ 13,500,000
|
|
|
|
| Credit Agreement | Minimum |
|
|
|
|
| Financing Arrangements |
|
|
|
|
| Fees on unused portion of credit facilities (as a percent) |
|
|
|
0.20%
|
| Credit Agreement | Maximum |
|
|
|
|
| Financing Arrangements |
|
|
|
|
| Fees on unused portion of credit facilities (as a percent) |
|
|
|
0.40%
|
| Credit Agreement | Lender's base rate |
|
|
|
|
| Financing Arrangements |
|
|
|
|
| Margin on reference rate (as a percent) |
|
|
|
0.50%
|
| Reference rate (as a percent) |
|
|
|
3.50%
|
| Credit Agreement | Lender's base rate | Minimum |
|
|
|
|
| Financing Arrangements |
|
|
|
|
| Margin on reference rate (as a percent) |
|
|
|
0.25%
|
| Credit Agreement | Lender's base rate | Maximum |
|
|
|
|
| Financing Arrangements |
|
|
|
|
| Margin on reference rate (as a percent) |
|
|
|
1.25%
|
| Credit Agreement | LIBOR |
|
|
|
|
| Financing Arrangements |
|
|
|
|
| Margin on reference rate (as a percent) |
|
|
|
1.50%
|
| Credit Agreement | LIBOR | Minimum |
|
|
|
|
| Financing Arrangements |
|
|
|
|
| Margin on reference rate (as a percent) |
|
|
|
1.25%
|
| Reference rate (as a percent) |
|
|
|
0.42%
|
| Credit Agreement | LIBOR | Maximum |
|
|
|
|
| Financing Arrangements |
|
|
|
|
| Margin on reference rate (as a percent) |
|
|
|
2.25%
|
| Reference rate (as a percent) |
|
|
|
0.90%
|
| Revolving Credit Facility |
|
|
|
|
| Financing Arrangements |
|
|
|
|
| Maximum borrowing capacity |
|
$ 250,000,000
|
|
|
| Term of line of credit facility |
|
5 years
|
|
|
| Maximum additional borrowing capacity available at the entity's option |
|
$ 100,000,000
|
|
|
| Unamortized debt issuance costs |
|
512,000
|
|
|
| Borrowings of foreign currency |
|
|
|
|
| Financing Arrangements |
|
|
|
|
| Maximum borrowing capacity |
|
100,000,000
|
|
|
| Letters of credit |
|
|
|
|
| Financing Arrangements |
|
|
|
|
| Maximum borrowing capacity |
|
30,000,000
|
|
|
| Swing line loans |
|
|
|
|
| Financing Arrangements |
|
|
|
|
| Maximum borrowing capacity |
|
$ 10,000,000
|
|
|