|
Goodwill and Other Intangible Assets (Intangible Assets) (Details) (USD $)
|
Dec. 31, 2014
|
Dec. 31, 2013
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
| Gross Carrying Amount |
$ 1,542,702,000 |
$ 1,544,965,000 |
| Accumulated Amortization |
574,503,000 |
363,546,000 |
| Net |
968,199,000 |
1,181,419,000 |
| Definite-lived Intangible Assets, Future Amortization Expense [Abstract] |
|
|
| Future amortization expense, 2015 |
194,000,000 |
|
| Future amortization expense, 2016 |
166,700,000 |
|
| Future amortization expense, 2017 |
147,500,000 |
|
| Future amortization expense, 2018 |
137,200,000 |
|
| Future amortization expense, 2019 |
126,800,000 |
|
| Future amortization expense, after 2019 |
196,000,000 |
|
| Customer Relationships |
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
| Gross Carrying Amount |
1,527,722,000 |
1,528,475,000 |
| Accumulated Amortization |
564,623,000 |
355,737,000 |
| Net |
963,099,000 |
1,172,738,000 |
| Non-compete agreements |
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
| Gross Carrying Amount |
11,920,000 |
13,430,000 |
| Accumulated Amortization |
7,435,000 |
6,463,000 |
| Net |
4,485,000 |
6,967,000 |
| Other Intangible Assets |
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
| Gross Carrying Amount |
3,060,000 |
3,060,000 |
| Accumulated Amortization |
2,445,000 |
1,346,000 |
| Net |
$ 615,000 |
$ 1,714,000 |