|
Debt Senior Credit Facility (Details) (USD $)
|
3 Months Ended | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Mar. 31, 2013
|
Dec. 31, 2012
|
Mar. 31, 2013
Term Loan A
|
Mar. 31, 2013
Term Loan A2
|
Mar. 31, 2013
Term Loan A - 3
|
Mar. 31, 2013
Term Loan B
|
Mar. 31, 2013
Revolver
|
Mar. 31, 2013
Term Loan A B A-2 and A-3
|
Mar. 31, 2013
Letter of Credit
|
Mar. 31, 2013
Additional Revolver
|
Apr. 03, 2013
Line of Credit
Subsequent Event
New Term Loan B
BNP Paribas
|
Apr. 03, 2013
Line of Credit
Subsequent Event
New Revolver
BNP Paribas
|
|
| Line of Credit Facility [Line Items] | ||||||||||||
| Debt instrument basis spread on variable rate | 2.75% | 2.75% | 2.75% | 2.75% | 2.50% | 2.50% | ||||||
| Debt Instrument, Face Amount | $ 150,000,000 | $ 150,000,000 | $ 100,000,000 | $ 200,000,000 | ||||||||
| Line of Credit Facility, Maximum Borrowing Capacity | 300,000,000 | 700,000,000 | ||||||||||
| Debt Instrument, Interest Rate Terms | LIBOR plus 2.75% | LIBOR plus 2.75% | LIBOR plus 2.75% | LIBOR plus 2.75% with a LIBOR floor of 1.00% | LIBOR plus 2.75% | |||||||
| Debt Instrument, Maturity Date | Aug. 04, 2015 | Aug. 04, 2015 | Aug. 04, 2015 | Aug. 04, 2016 | Aug. 04, 2015 | |||||||
| Line of Credit Facility, Remaining Borrowing Capacity | 500,000,000 | |||||||||||
| Long-term Debt | 556,400,000 | 61,000,000 | 439,000,000 | |||||||||
| Long-term Line of Credit | $ 0 | $ 235,000,000 | ||||||||||
| Long-term Debt, Weighted Average Interest Rate | 3.20% | |||||||||||