Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2015

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

Assets and liabilities measured at fair value on a recurring basis as of December 31, 2015 and 2014 is summarized in the following tables.



Dollar amounts in millions	December 31, 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	$	5.8	$	—	$	—	$	5.8
Trading securities	2.3		2.3		—		—



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 twelve months ended December 31, 2015 and 2014.



Dollar amounts in millions	Available for sale securities		Contingent consideration
Balance at December 31, 2013	$	3.7	$	3.8
Sale of ARS	—		—
Adjustment to contingent consideration fair value	—		(3.2		)
Foreign exchange rate changes			(0.4		)
Total realized/unrealized gains (losses)
Included in other comprehensive income	0.9		—
Balance at December 31, 2014	$	4.6	$	0.2
Sale of ARS	—		—
Contingent consideration pursuant to business combination	$	—	$	—
Adjustment to contingent consideration fair value	—		(0.2		)
Total realized/unrealized gains (losses)
Included in other comprehensive income	1.2		—
Balance at December 31, 2015	$	5.8	$	—