Fair Value Measurements (Tables)

6 Months Ended

Jun. 29, 2018

Fair Value Disclosures [Abstract]

Fair Value, Liabilities Measured on Recurring Basis

Below is a summary of financial liabilities that are measured at fair value on a recurring basis ($ in millions):

	Quoted Prices in Active Market (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
June 29, 2018
Deferred compensation liabilities	$	—	$	21.7	$	—	$	21.7
December 31, 2017
Deferred compensation liabilities	$	—	$	20.9	$	—	$	20.9

Carrying Amounts and Fair Values of Financial Instruments

The carrying amount and fair value of financial instruments are as follows ($ in millions):

	June 29, 2018				December 31, 2017
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Current portion of long-term debt	$	799.3	$	796.4	$	—	$	—
Long-term debt, net of current maturities	$	2,927.4	$	2,823.9	$	4,056.2	$	4,051.8