Net pension (income) expense for our domestic and foreign plans was as follows:

Net pension expense breakdown for our domestic and foreign plans include the following components:


	Domestic Pension Plans						Foreign Pension Plans
Three months:	Three months ended						Three months ended
($ in thousands)	June 29, 2014			June 30, 2013			June 29, 2014			June 30, 2013
Service cost	$	48		$	648		$	21		$	28
Interest cost		3,053			2,711			155			133
Expected return on plan assets ⁽¹⁾		(5,208	)		(5,042	)		(170	)		(101	)
Amortization of prior service cost		—			149			—			—
Amortization of loss		1,416			1,921			59			98
Additional cost due to retirement		172			—			—			—

(Income) expense, net	$	(519	)	$	387		$	65		$	158


	Domestic Pension Plans						Foreign Pension Plans
Six months:	Six months ended						Six months ended
($ in thousands)	June 29, 2014			June 30, 2013			June 29, 2014			June 30, 2013
Service cost	$	96		$	1,297		$	42		$	56
Interest cost		6,111			5,423			305			265
Expected return on plan assets ⁽¹⁾		(10,416	)		(10,085	)		(337	)		(201	)
Amortization of prior service cost		—			298			—			—
Amortization of loss		2,829			3,842			118			196
Additional cost due to retirement		172			—			—			—

(Income) expense, net	$	(1,208	)	$	775		$	128		$	316

(1)

Expected return on plan assets is net of expected investment expenses and certain administrative expenses.

Net postretirement expense for our postretirement plan includes the following components:


	Three Months Ended					Six Months Ended
($ in thousands)	June 29, 2014			June 30, 2013		June 29, 2014			June 30, 2013
Other postretirement benefit plan
Service cost	$	1		$	2	$	2		$	4
Interest cost		58			56		115			111
Amortization of gain		(40	)		—		(79	)		—

Postretirement expense	$	19		$	58	$	38		$	115