Defined Benefit Plans (Tables)

3 Months Ended

Mar. 30, 2018

Defined Benefit Plan Disclosure [Line Items]

Schedule of Defined Benefit Plans Disclosures

The net periodic benefit cost of the noncontributory defined benefit pension plans and other postretirement employee benefit plans incurred during the three-month periods ended March 30, 2018 and March 31, 2017 are reflected in the following captions in the accompanying Consolidated Condensed Statement of Earnings ($ in millions):

	Three-Month Period Ended
	March 30, 2018			March 31, 2017
Service cost:
Cost of sales	$	(2.1	)	$	(2.0	)
Selling, general and administrative expenses	(8.8		)	(7.8		)
Total service cost	(10.9		)	(9.8		)
Other net periodic benefit costs:
Other income, net	7.8			6.9
Total	$	(3.1	)	$	(2.9	)

Defined benefit pension plans

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs

The following sets forth the components of the Company’s net periodic benefit cost of the noncontributory defined benefit pension plans ($ in millions):

	Three-Month Period Ended
	March 30, 2018			March 31, 2017
U.S. Pension Benefits:
Service cost	$	(2.1	)	$	(1.9	)
Interest cost	(20.2		)	(21.0		)
Expected return on plan assets	33.1			32.9
Amortization of actuarial loss	(7.8		)	(6.6		)
Amortization of prior service credit	(0.3		)	—
Net periodic pension cost	$	2.7		$	3.4
Non-U.S. Pension Benefits:
Service cost	$	(8.7	)	$	(7.7	)
Interest cost	(6.7		)	(6.3		)
Expected return on plan assets	12.1			10.2
Amortization of actuarial loss	(1.5		)	(1.9		)
Amortization of prior service credit	0.1			0.1
Settlement loss recognized	(0.4		)	—
Net periodic pension cost	$	(5.1	)	$	(5.6	)

Other postretirement benefit plans

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs

The following sets forth the components of the Company’s net periodic benefit cost of the other postretirement employee benefit plans ($ in millions):

	Three-Month Period Ended
	March 30, 2018			March 31, 2017
Service cost	$	(0.1	)	$	(0.2	)
Interest cost	(1.2		)	(1.3		)
Amortization of prior service credit	0.6			0.8
Net periodic benefit cost	$	(0.7	)	$	(0.7	)