Charges Related To Restructuring Activities - (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Restructuring Reserve [Roll Forward]
Beginning Balance				$ 4,485				$ 6,993	$ 4,485	$ 6,993	$ 4,979	$ 0
Charges	2,705	4,077	2,090	2,240	2,338	1,884	2,592	2,522	11,112	9,336	11,395	10,534
Payments									(11,131)	(11,844)	(9,381)	(5,555)
Ending Balance	4,466				4,485				4,466	4,485	6,993	4,979
Severance
Restructuring Reserve [Roll Forward]
Beginning Balance				3,986				5,211	3,986	5,211	4,905	0
Charges									9,841	8,282	6,775	8,352
Payments									(9,618)	(9,507)	(6,469)	(3,447)
Ending Balance	4,209				3,986				4,209	3,986	5,211	4,905
Inventory
Restructuring Reserve [Roll Forward]
Beginning Balance				0				151	0	151	0	0
Charges									0	0	491	277
Payments									0	(151)	(340)	(277)
Ending Balance	0				0				0	0	151	0
Lease Terminations
Restructuring Reserve [Roll Forward]
Beginning Balance				499				1,625	499	1,625	74	0
Charges									(15)	698	1,725	1,788
Payments									(227)	(1,824)	(174)	(1,714)
Ending Balance	257				499				257	499	1,625	74
Other
Restructuring Reserve [Roll Forward]
Beginning Balance				0				6	0	6	0	0
Charges									1,286	356	2,404	117
Payments									(1,286)	(362)	(2,398)	(117)
Ending Balance	0				0				0	0	6	0
North America/HME
Restructuring Reserve [Roll Forward]
Beginning Balance				2,805				3,747	2,805	3,747	3,092
Charges									4,404	5,922	4,247	4,759
Payments									(6,547)	(6,864)	(3,592)	(1,667)
Ending Balance	662				2,805				662	2,805	3,747	3,092
North America/HME | Severance
Restructuring Reserve [Roll Forward]
Beginning Balance				2,805				3,747	2,805	3,747	3,092
Charges									4,404	5,405	4,242	4,755
Payments									(6,547)	(6,347)	(3,587)	(1,663)
Ending Balance	662				2,805				662	2,805	3,747	3,092
North America/HME | Inventory
Restructuring Reserve [Roll Forward]
Beginning Balance				0				0	0	0	0
Charges									0	0	0	0
Payments									0	0	0	0
Ending Balance	0				0				0	0	0	0
North America/HME | Lease Terminations
Restructuring Reserve [Roll Forward]
Beginning Balance				0				0	0	0	0
Charges									0	164	5	0
Payments									0	(164)	(5)	0
Ending Balance	0				0				0	0	0	0
North America/HME | Other
Restructuring Reserve [Roll Forward]
Beginning Balance				0				0	0	0	0
Charges									0	353	0	4
Payments									0	(353)	0	(4)
Ending Balance	0				0				0	0	0	0
IPG
Restructuring Reserve [Roll Forward]
Beginning Balance				92					92		71
Charges									1,924	267	35	123
Payments									(1,868)	(175)	(106)	(52)
Ending Balance	148				92				148	92		71
IPG | Severance
Restructuring Reserve [Roll Forward]
Beginning Balance				92					92		71
Charges									1,163	267	35	123
Payments									(1,107)	(175)	(106)	(52)
Ending Balance	148				92				148	92		71
IPG | Inventory
Restructuring Reserve [Roll Forward]
Beginning Balance				0					0		0
Charges									0	0	0	0
Payments									0	0	0	0
Ending Balance	0				0				0	0		0
IPG | Lease Terminations
Restructuring Reserve [Roll Forward]
Beginning Balance				0					0		0
Charges									0	0	0	0
Payments									0	0	0	0
Ending Balance	0				0				0	0		0
IPG | Other
Restructuring Reserve [Roll Forward]
Beginning Balance				0					0		0
Charges									761	0	0	0
Payments									(761)	0	0	0
Ending Balance	0				0				0	0		0
Europe
Restructuring Reserve [Roll Forward]
Beginning Balance				1,089				595	1,089	595	1,816
Charges									1,052	1,640	2,093	5,466
Payments									(1,720)	(1,146)	(3,314)	(3,650)
Ending Balance	421				1,089				421	1,089	595	1,816
Europe | Severance
Restructuring Reserve [Roll Forward]
Beginning Balance				1,089				595	1,089	595	1,742
Charges									527	1,640	817	3,288
Payments									(1,195)	(1,146)	(1,964)	(1,546)
Ending Balance	421				1,089				421	1,089	595	1,742
Europe | Inventory
Restructuring Reserve [Roll Forward]
Beginning Balance				0				0	0	0	0
Charges									0	0	0	277
Payments									0	0	0	(277)
Ending Balance	0				0				0	0	0	0
Europe | Lease Terminations
Restructuring Reserve [Roll Forward]
Beginning Balance				0				0	0	0	74
Charges									0	0	53	1,788
Payments									0	0	(127)	(1,714)
Ending Balance	0				0				0	0	0	74
Europe | Other
Restructuring Reserve [Roll Forward]
Beginning Balance				0				0	0	0	0
Charges									525	0	1,223	113
Payments									(525)	0	(1,223)	(113)
Ending Balance	0				0				0	0	0	0
Asia/Pacific
Restructuring Reserve [Roll Forward]
Beginning Balance				499				2,651	499	2,651	0
Charges									754	1,507	5,020	186
Payments									(996)	(3,659)	(2,369)	(186)
Ending Balance	257				499				257	499	2,651	0
Asia/Pacific | Severance
Restructuring Reserve [Roll Forward]
Beginning Balance				0				869	0	869	0
Charges									769	970	1,681	186
Payments									(769)	(1,839)	(812)	(186)
Ending Balance	0				0				0	0	869	0
Asia/Pacific | Inventory
Restructuring Reserve [Roll Forward]
Beginning Balance				0				151	0	151	0
Charges									0	0	491	0
Payments									0	(151)	(340)	0
Ending Balance	0				0				0	0	151	0
Asia/Pacific | Lease Terminations
Restructuring Reserve [Roll Forward]
Beginning Balance				499				1,625	499	1,625	0
Charges									(15)	534	1,667	0
Payments									(227)	(1,660)	(42)	0
Ending Balance	257				499				257	499	1,625	0
Asia/Pacific | Other
Restructuring Reserve [Roll Forward]
Beginning Balance				0				6	0	6	0
Charges									0	3	1,181	0
Payments									0	(9)	(1,175)	0
Ending Balance	0				0				0	0	6	0
Other
Restructuring Reserve [Roll Forward]
Charges									2,978
Ending Balance	2,978								2,978
Other | Severance
Restructuring Reserve [Roll Forward]
Charges									2,978
Ending Balance	2,978								2,978
Other | Inventory
Restructuring Reserve [Roll Forward]
Charges									0
Ending Balance	0								0
Other | Lease Terminations
Restructuring Reserve [Roll Forward]
Charges									0
Ending Balance	0								0
Other | Other
Restructuring Reserve [Roll Forward]
Charges									0
Ending Balance	$ 0								$ 0