Goodwill and Intangible Assets Intangible Assets (Details) (USD $)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Useful Life (in Years)			14 years 7 months 24 days		15 years 4 months 10 days
Gross Carrying Amount	$ 334,684,000		$ 334,684,000		$ 327,951,000
Accumulated Amortization	28,682,000		28,682,000		17,412,000
Intangible assets amortization expense	5,600,000	800,000	11,300,000	1,700,000
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Useful Life (in Years)			14 years 8 months 12 days		15 years 4 months 28 days
Gross Carrying Amount	312,923,000		312,923,000		306,361,000
Accumulated Amortization	26,678,000		26,678,000		16,509,000
Trademarks and Trade Names
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Useful Life (in Years)			13 years 11 months 19 days		14 years 8 months 16 days
Gross Carrying Amount	21,502,000		21,502,000		21,370,000
Accumulated Amortization	1,870,000		1,870,000		794,000
Other Intangible Assets
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Useful Life (in Years)			2 years 8 months 12 days		3 years
Gross Carrying Amount	259,000		259,000		220,000
Accumulated Amortization	$ 134,000		$ 134,000		$ 109,000