Pension Plans

6 Months Ended

Jun. 30, 2017

Pension Plans

10. Pension Plans

The company has both tax-qualified and nonqualified, noncontributory defined benefit pension plans, that together cover certain domestic and foreign employees. These plans provide benefits based upon a participant’s compensation and years of service.

The components of net periodic pension cost are as follows:

	Quarter Ended June 30,						Six Months Ended June 30,
	2017			2016			2017			2016
(dollars in millions)
Service cost, net of employee contributions	$	6.7		$	7.2		$	13.3		$	14.5
Interest cost		4.8			4.7			9.6			9.4
Expected return on plan assets		(8.2	)		(8.1	)		(16.5	)		(16.2	)
Amortization		3.2			2.6			6.5			5.2
Net periodic pension cost	$	6.5		$	6.4		$	12.9		$	12.9