Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2012

Fair Value Measurements [Abstract]

Schedule of assets and liabilities measured at fair value on a recurring basis

The following tables present, by level within the fair value hierarchy, certain of our financial assets and liabilities:

	Balance at		Basis of Fair Value Measurements
	June 30,
($ in millions)	2012		Level 1		Level 2		Level 3
Assets:
Short-term investments	$	25.5	$	25.5	$	-	$	-
Deferred compensation assets		3.6		3.6		-		-
Foreign currency contracts		0.5		-		0.5		-
	$	29.6	$	29.1	$	0.5	$	-
Liabilities:
Contingent consideration	$	2.5	$	-	$	-	$	2.5
Deferred compensation liabilities		6.0		6.0		-		-
Interest rate swap contracts		8.6		-		8.6		-
Long-term debt		299.3		-		299.3		-
	$	316.4	$	6.0	$	307.9	$	2.5

	Balance at		Basis of Fair Value Measurements
	December 31,
($ in millions)	2011		Level 1		Level 2		Level 3
Assets:
Short-term investments	$	26.5	$	26.5	$	-	$	-
Deferred compensation assets		3.3		3.3		-		-
	$	29.8	$	29.8	$	-	$	-
Liabilities:
Contingent consideration	$	2.1	$	-	$	-	$	2.1
Deferred compensation liabilities		4.6		4.6		-		-
Interest rate swap contracts		8.8		-		8.8		-
Long-term debt		279.2		-		279.2		-
	$	294.7	$	4.6	$	288.0	$	2.1

Summary of changes in Level 3 fair value measurements

The following table provides a summary of changes in our Level 3 fair value measurements:

	($ in millions)
Balance, December 31, 2011	$	2.1
Increase in fair value recorded in earnings		0.4
Balance, June 30, 2012	$	2.5