U.K. Pension Plan (Tables)

9 Months Ended

Sep. 30, 2019

Defined Benefit Plan [Abstract]

Schedule of Net Benefit Costs

The following tables summarize the components of the Pension Program related to the net benefit costs recognized in labor and benefits and other income/(loss), net in the Company's consolidated statements of operations for the three and nine months ended September 30, 2019 and 2018 (dollars in thousands):

		Three Months Ended						Nine Months Ended
		September 30,						September 30,
		2019			2018			2019			2018
Operating expense:
	Service cost(a)	$	3,257		$	3,610		$	10,094		$	11,235
Nonoperating income, net:
	Interest cost	2,240			2,383			6,942			7,416
	Expected return on plan assets	(4,158		)	(4,572		)	(12,885		)	(14,231		)
	Amortization of prior year service cost	42			—			130			—
	Total nonoperating income, net(b)	(1,876		)	(2,189		)	(5,813		)	(6,815		)
Net periodic benefit cost		$	1,381		$	1,421		$	4,281		$	4,420

(a) Included in labor and benefits within the Company’s consolidated statements of operations.

(b) Included in other income/(loss), net within the Company’s consolidated statements of operations.