Charges Related To Restructuring Activities Narrative (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended		12 Months Ended
	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Restructuring Cost and Reserve [Line Items]
Charges	$ 4,077	$ 2,090	$ 2,240	$ 1,884	$ 8,407	$ 6,998	$ 9,336	$ 11,395	$ 10,534
Payments	2,834	2,350	2,625		7,809		11,844	9,381	5,555
Severance [Member]
Restructuring Cost and Reserve [Line Items]
Charges	3,915	1,297	1,521		6,733		8,282	6,775	8,352
Payments	2,672	1,561	1,752				9,507	6,469	3,447
Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Charges	0	4	0				698	1,725	1,788
Payments	0	0	154				1,824	174	1,714
Product Line Discontinuance [Member]
Restructuring Cost and Reserve [Line Items]
Charges	0	0	0				0	491	277
Payments	0	0	0				151	340	277
Other [Member]
Restructuring Cost and Reserve [Line Items]
Charges	162	789	719				356	2,404	117
Payments	162	789	719				362	2,398	117
Europe
Restructuring Cost and Reserve [Line Items]
Charges	69	583	378				1,640	2,093	5,466
Payments	240	751	597				1,146	3,314	3,650
Europe | Severance [Member]
Restructuring Cost and Reserve [Line Items]
Charges	69	58	378				1,640	817	3,288
Payments	240	226	597				1,146	1,964	1,546
Europe | Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Charges	0	0	0				0	53	1,788
Payments	0	0	0				0	127	1,714
Europe | Product Line Discontinuance [Member]
Restructuring Cost and Reserve [Line Items]
Charges	0	0	0				0	0	277
Payments	0	0	0				0	0	277
Europe | Other [Member]
Restructuring Cost and Reserve [Line Items]
Charges	0	525	0				0	1,223	113
Payments	0	525	0				0	1,223	113
Asia/Pacific
Restructuring Cost and Reserve [Line Items]
Charges	376	4	0				1,507	5,020	186
Payments	348	0	154				3,659	2,369	186
Asia/Pacific | Severance [Member]
Restructuring Cost and Reserve [Line Items]
Charges	376	0	0				970	1,681	186
Payments	348	0	0				1,839	812	186
Asia/Pacific | Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Charges	0	4	0				534	1,667	0
Payments	0	0	154				1,660	42	0
Asia/Pacific | Product Line Discontinuance [Member]
Restructuring Cost and Reserve [Line Items]
Charges	0	0	0				0	491	0
Payments	0	0	0				151	340	0
Asia/Pacific | Other [Member]
Restructuring Cost and Reserve [Line Items]
Charges	0	0	0				3	1,181	0
Payments	0	0	0				9	1,175	0
NA/HME
Restructuring Cost and Reserve [Line Items]
Charges	3,041	845	803	1,210	4,689	4,837	5,922	4,247	4,759
Payments	1,466	1,303	1,120				6,864	3,592	1,667
NA/HME | Severance [Member]
Restructuring Cost and Reserve [Line Items]
Charges	3,041	845	803				5,405	4,242	4,755
Payments	1,466	1,303	1,120				6,347	3,587	1,663
NA/HME | Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Charges	0	0	0				164	5	0
Payments	0	0	0				164	5	0
NA/HME | Product Line Discontinuance [Member]
Restructuring Cost and Reserve [Line Items]
Charges	0	0	0				0	0	0
Payments	0	0	0				0	0	0
NA/HME | Other [Member]
Restructuring Cost and Reserve [Line Items]
Charges	0	0	0				353	0	4
Payments	0	0	0				353	0	4
IPG
Restructuring Cost and Reserve [Line Items]
Charges	591	658	1,059	36	2,308	237	267	35	123
Payments	780	296	754				175	106	52
IPG | Severance [Member]
Restructuring Cost and Reserve [Line Items]
Charges	429	394	340				267	35	123
Payments	618	32	35				175	106	52
IPG | Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Charges	0	0	0				0	0	0
Payments	0	0	0				0	0	0
IPG | Product Line Discontinuance [Member]
Restructuring Cost and Reserve [Line Items]
Charges	0	0	0				0	0	0
Payments	0	0	0				0	0	0
IPG | Other [Member]
Restructuring Cost and Reserve [Line Items]
Charges	162	264	719		1,674		0	0	0
Payments	$ 162	$ 264	$ 719				$ 0	$ 0	$ 0