Business Segments (Tables)

12 Months Ended

Dec. 31, 2017

Business Segments

Schedule of percentage of revenue for each group of similar products sold or services provided in segments

	2017		2016		2015
MES
Equipment usage solutions	56.4	%	59.5	%	60.6	%
Equipment/disposable sales	1.7		3.8		2.9
	58.1		63.3		63.5
CES
Service solutions	26.7		22.5		22.1
Equipment sales	0.7		—		—
	27.4		22.5		22.1
SS
Equipment usage solutions	14.4		14.0		14.2
Equipment/disposable sales	0.1		0.2		0.2
	14.5		14.2		14.4
Total revenues	100.0	%	100.0	%	100.0	%

Schedule of segments identified on the basis of the entity's organizational structure and internal reporting

	Year Ended December 31,
(in thousands)	2017		2016		2015
Medical Equipment Solutions
Net sales	$	299,156	$	303,664	$	285,059
Medical equipment depreciation		52,711		56,258		60,465
Gross margin		113,403		109,201		100,930
Assets		563,246		584,597		585,990
Amortization		3,689		6,884		7,962
Clinical Engineering Solutions
Net sales		140,929		107,751		99,188
Gross margin		30,546		22,029		20,200
Assets		133,503		131,537		110,588
Amortization		2,287		822		692
Surgical Services
Net sales		74,698		68,086		64,434
Medical equipment depreciation		7,139		5,899		6,313
Gross margin		27,806		25,622		23,662
Assets		108,696		101,989		100,997
Amortization		3,536		3,395		3,372
Corporate and Unallocated
Amortization and depreciation		10,882		11,008		13,097
Capital Expenditures		55,348		63,080		62,498
Total Company Assets, Amortization and Depreciation and Capital Expenditures
Assets		805,445		818,123		797,575
Amortization and depreciation		80,244		84,266		91,901
Capital Expenditures		55,348		63,080		62,498
Total Gross Margin and Reconciliation to Loss Before Income Taxes and Noncontrolling Interest
Total gross margin		171,755		156,852		144,792
Selling, general and administrative		126,670		120,111		122,454
Restructuring		—		—		2,321
(Gain) on settlement		—		(3,074)		(5,718)
Interest expense		53,002		52,321		53,195
Loss before income taxes and noncontrolling interest	$	(7,917)	$	(12,506)	$	(27,460)