DelStar Acquisition Acquired Intangible Assets (Details) (DelStar [Member], USD $) In Millions, unless otherwise specified	0 Months Ended	12 Months Ended
	Dec. 12, 2013	Dec. 31, 2013	Jun. 30, 2014
Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Line Items]
Fair Value	$ 80.9
Weighted-Average Amortization Period (Years)	21 years
Acquisition Costs
Business Acquisition, Transaction Costs		1.1	0.4
Business Combination, Financing Costs		2.0
Trade names [Member]
Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Line Items]
Fair Value	21.8
Customer relationships [Member]
Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Line Items]
Fair Value	45.3
Weighted-Average Amortization Period (Years)	23 years
Developed Technology [Member]
Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Line Items]
Fair Value	$ 13.8
Weighted-Average Amortization Period (Years)	12 years 9 months 18 days