Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2015

Fair Value, Measurement Inputs, Disclosure [Table Text Block]

The following table summarizes assets and liabilities measured on a recurring basis for each of the three hierarchy levels presented below.



Dollar amounts in millions	June 30, 2015		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Available for sale securities	$	4.6	$	—	$	—	$	4.6
Trading securities	2.4		2.4		—		—
Contingent consideration	0.2		—		—		0.2

Dollar amounts in millions	December 31, 2014		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Available for sale securities	$	4.6	$	—	$	—	$	4.6
Trading securities	2.3		2.3		—		—
Contingent consideration	0.2		—		—		0.2

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

The following table summarizes changes in assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3) during the six months ended June 30, 2014. During the six months ended June 30, 2015, no adjustment was recognized associated with the fair value of these assets and liabilities.



Dollar amounts in millions	Available for sale securities		Contingent consideration
Balance at December 31, 2013	3.7		3.8
Adjustment to contingent consideration fair value			0.1
Total unrealized gains included in other comprehensive income	0.8		—
Foreign currency gain	—		(0.1		)
Balance at June 30, 2014	$	4.5	$	3.8