|
Borrowings (Narrative) (Detail) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | 12 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Jun. 30, 2012
BasisPoint
|
Jun. 30, 2011
|
May 31, 2007
Six Point One Two Five Percent Senior Notes [Member]
|
May 30, 2007
Six Point One Two Five Percent Senior Notes [Member]
|
Mar. 29, 2007
Senior Unsecured Credit Facility [Member]
|
Jun. 30, 2012
Five-Year Term Loan Facility [Member]
|
Jun. 30, 2011
Five-Year Term Loan Facility [Member]
BasisPoint
|
Sep. 22, 2011
Five-Year Term Loan Facility [Member]
|
Mar. 29, 2007
Five-Year Term Loan Facility [Member]
|
Jun. 30, 2012
Five-Year Term Loan Facility [Member]
Minimum [Member]
BasisPoint
|
Jun. 30, 2012
Five-Year Term Loan Facility [Member]
Maximum [Member]
BasisPoint
|
Jun. 30, 2011
Five-Year Term Loan Facility [Member]
Maximum [Member]
BasisPoint
|
Sep. 22, 2011
Five-Year Revolving Credit Facility [Member]
|
Jun. 30, 2012
Five-Year Revolving Credit Facility [Member]
BasisPoint
|
Jun. 30, 2011
Five-Year Revolving Credit Facility [Member]
|
Mar. 29, 2007
Five-Year Revolving Credit Facility [Member]
|
Jun. 30, 2011
Five-Year Revolving Credit Facility [Member]
Minimum [Member]
BasisPoint
|
Mar. 29, 2007
One-Year Revolving Credit Facility [Member]
|
Jun. 30, 2012
2011 Credit Facility [Member]
BasisPoint
|
Sep. 22, 2011
2011 Credit Facility [Member]
|
Jun. 30, 2012
Previous Five-Year Term Loan Facility [Member]
|
Jun. 30, 2012
Previous Five-Year Revolving Credit Facility [Member]
|
Jun. 30, 2012
Two Thousand Twelve Term Loan [Member]
|
Jun. 30, 2012
Senior Notes [Member]
|
May 30, 2007
Senior Notes [Member]
|
|
| Line of Credit Facility [Line Items] | |||||||||||||||||||||||||
| Long-term debt, Total Capacity | $ 524.4 | $ 124.3 | $ 1,190.0 | $ 440.0 | $ 500.0 | $ 250.0 | |||||||||||||||||||
| Senior notes offered | 250.0 | 250.0 | |||||||||||||||||||||||
| Interest rate | 6.125% | 6.125% | |||||||||||||||||||||||
| Interest at LIBOR plus basis points | 250 | 40 | 40 | 90 | 75 | 27 | 125 | ||||||||||||||||||
| Repayment of revolving credit facility | 90.0 | 200.0 | 200.0 | ||||||||||||||||||||||
| Credit facility maximum borrowing capacity | 490.0 | 490.0 | 500.0 | 990.0 | |||||||||||||||||||||
| Loan in the duration of years | Five | Five | |||||||||||||||||||||||
| Annual facility fee (as basis points) | 15 | ||||||||||||||||||||||||
| Debt issuance costs | 2.9 | 3.0 | 1.9 | ||||||||||||||||||||||
| Debt issuance cost expensed | 0.1 | ||||||||||||||||||||||||
| Debt issuance cost capitalized | 2.9 | ||||||||||||||||||||||||
| Accumulated Amortization of debt issuance costs | 0.4 | ||||||||||||||||||||||||
| Repayment of short-term borrowings | 400.0 | 40.0 | 200.0 | 200.0 | |||||||||||||||||||||
| Weighted-average interest rate | 65.00% | 77.00% | 51.00% | 57.00% | 1.54% | ||||||||||||||||||||
| Minimum principal repayments on the loan | 12.3 | ||||||||||||||||||||||||
| Total repayment before the balance of the loan becomes due in September 2016 | 171.5 | ||||||||||||||||||||||||
| First payment due on the loan | Mar. 31, 2013 | ||||||||||||||||||||||||
| Final payment due on the loan | June 30, 2016 | ||||||||||||||||||||||||
| Outstanding amount of line of credit | 0 | 0 | 400.0 | ||||||||||||||||||||||
| Percentage of notes issued | 99.10% | ||||||||||||||||||||||||
| Effective yield to maturity | 6.251% | ||||||||||||||||||||||||
| Amortization related to the senior notes | 0.8 | ||||||||||||||||||||||||
| Senior Notes, fair value | $ 137.6 | ||||||||||||||||||||||||