Other Intangible Assets (Tables)

6 Months Ended

Jun. 28, 2015

Other Intangible Assets.

Summary of other intangible assets

	As of
	June 28, 2015
($ in thousands)	Gross Carrying Amount		Accumulated Amortization		Net Amount
Amortized intangible assets:
Customer lists/relationships	$	51,804	$	(25,752)	$	26,052
Patents		10,319		(10,319)		—
Other intangibles		12,270		(4,377)		7,893
Other intangible assets, net	$	74,393	$	(40,448)	$	33,945
Amortization expense for the three months ended June 28, 2015			$	984
Amortization expense for the six months ended June 28, 2015			$	1,957

	As of
	December 31, 2014
($ in thousands)	Gross Carrying Amount		Accumulated Amortization		Net Amount
Amortized intangible assets:
Customer lists/relationships	$	51,804	$	(24,415)	$	27,389
Patents		10,319		(10,319)		—
Other intangibles		12,270		(3,757)		8,513
Other intangible assets, net	$	74,393	$	(38,491)	$	35,902
Amortization expense for the three months ended June 29, 2014			$	1,045
Amortization expense for the six months ended June 29, 2014			$	2,079

Summary of amortization expense remaining for other intangible assets

($ in thousands)	Amortization expense
2015	$	1,992
2016		3,647
2017		3,569
2018		3,484
2019		3,475
Thereafter		17,778
Total amortization expense	$	33,945