Business Segments (Information by Segment) (Details) (USD $)	3 Months Ended				12 Months Ended
	Mar. 31, 2014		Mar. 31, 2013		Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Segment Reporting Information [Line Items]
Restructuring Charges including Inventory Markdowns	$ 2,240,000				$ 9,336,000	$ 11,395,000	$ 10,534,000
Revenue from external customers	309,069,000		331,437,000
Related Party Transaction, Other Revenues from Transactions with Related Party	28,120,000		28,778,000
Restructuring Charges	2,240,000		2,522,000
Earnings (loss) before income taxes	(15,751,000)		(13,183,000)
Restructuring Reserve, Settled with Cash	(2,625,000)				(11,844,000)	(9,381,000)	(5,555,000)
Restructuring Reserve	4,100,000				4,485,000	6,993,000	4,979,000	0
North America/HME [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	129,110,000		151,882,000
Related Party Transaction, Other Revenues from Transactions with Related Party	18,673,000		18,836,000
Restructuring Charges	803,000		1,679,000
Earnings (loss) before income taxes	(16,799,000)		(11,179,000)
Institutional Products Group [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	25,136,000		29,224,000
Related Party Transaction, Other Revenues from Transactions with Related Party	1,573,000		1,107,000
Restructuring Charges	1,059,000		188,000
Earnings (loss) before income taxes	(251,000)		474,000
Europe [Member]
Segment Reporting Information [Line Items]
Restructuring Charges including Inventory Markdowns	378,000				1,640,000	2,093,000	5,466,000
Revenue from external customers	142,768,000		137,634,000
Related Party Transaction, Other Revenues from Transactions with Related Party	1,682,000		1,953,000
Restructuring Charges	378,000		115,000
Earnings (loss) before income taxes	9,246,000		5,843,000
Restructuring Reserve, Settled with Cash	(597,000)				(1,146,000)	(3,314,000)	(3,650,000)
Restructuring Reserve	870,000				1,089,000	595,000	1,816,000
Asia Pacific [Member]
Segment Reporting Information [Line Items]
Restructuring Charges including Inventory Markdowns	0				1,507,000	5,020,000	186,000
Revenue from external customers	12,055,000		12,697,000
Related Party Transaction, Other Revenues from Transactions with Related Party	6,192,000		6,882,000
Restructuring Charges	0		540,000
Earnings (loss) before income taxes	(2,801,000)		(2,261,000)
Restructuring Reserve, Settled with Cash	(154,000)				(3,659,000)	(2,369,000)	(186,000)
Restructuring Reserve	345,000				499,000	2,651,000	0
All Other Segments [Member]
Segment Reporting Information [Line Items]
Earnings (loss) before income taxes	(5,146,000)	[1]	(6,060,000)	[1]
NA/HME [Member]
Segment Reporting Information [Line Items]
Restructuring Charges including Inventory Markdowns	803,000				5,922,000	4,247,000	4,759,000
Restructuring Reserve, Settled with Cash	(1,120,000)				(6,864,000)	(3,592,000)	(1,667,000)
Restructuring Reserve	2,488,000				2,805,000	3,747,000	3,092,000
IPG [Member]
Segment Reporting Information [Line Items]
Restructuring Charges including Inventory Markdowns	1,059,000				267,000	35,000	123,000
Restructuring Reserve, Settled with Cash	(754,000)				(175,000)	(106,000)	(52,000)
Restructuring Reserve	397,000				92,000	0	71,000
Severance [Member]
Segment Reporting Information [Line Items]
Restructuring Charges including Inventory Markdowns	1,521,000				8,282,000	6,775,000	8,352,000
Restructuring Reserve, Settled with Cash	(1,752,000)				(9,507,000)	(6,469,000)	(3,447,000)
Restructuring Reserve	3,755,000				3,986,000	5,211,000	4,905,000	0
Severance [Member] | Europe [Member]
Segment Reporting Information [Line Items]
Restructuring Charges including Inventory Markdowns	378,000				1,640,000	817,000	3,288,000
Restructuring Reserve, Settled with Cash	(597,000)				(1,146,000)	(1,964,000)	(1,546,000)
Restructuring Reserve	870,000				1,089,000	595,000	1,742,000
Severance [Member] | Asia Pacific [Member]
Segment Reporting Information [Line Items]
Restructuring Charges including Inventory Markdowns	0				970,000	1,681,000	186,000
Restructuring Reserve, Settled with Cash	0				(1,839,000)	(812,000)	(186,000)
Restructuring Reserve	0				0	869,000	0
Severance [Member] | NA/HME [Member]
Segment Reporting Information [Line Items]
Restructuring Charges including Inventory Markdowns	803,000				5,405,000	4,242,000	4,755,000
Restructuring Reserve, Settled with Cash	(1,120,000)				(6,347,000)	(3,587,000)	(1,663,000)
Restructuring Reserve	2,488,000				2,805,000	3,747,000	3,092,000
Severance [Member] | IPG [Member]
Segment Reporting Information [Line Items]
Restructuring Charges including Inventory Markdowns	340,000				267,000	35,000	123,000
Restructuring Reserve, Settled with Cash	(35,000)				(175,000)	(106,000)	(52,000)
Restructuring Reserve	397,000				92,000	0	71,000
Product Line Discontinuance [Member]
Segment Reporting Information [Line Items]
Restructuring Charges including Inventory Markdowns	0				0	491,000	277,000
Restructuring Reserve, Settled with Cash	0				(151,000)	(340,000)	(277,000)
Restructuring Reserve	0				0	151,000	0	0
Product Line Discontinuance [Member] | Europe [Member]
Segment Reporting Information [Line Items]
Restructuring Charges including Inventory Markdowns	0				0	0	277,000
Restructuring Reserve, Settled with Cash	0				0	0	(277,000)
Restructuring Reserve	0				0	0	0
Product Line Discontinuance [Member] | Asia Pacific [Member]
Segment Reporting Information [Line Items]
Restructuring Charges including Inventory Markdowns	0				0	491,000	0
Restructuring Reserve, Settled with Cash	0				(151,000)	(340,000)	0
Restructuring Reserve	0				0	151,000	0
Product Line Discontinuance [Member] | NA/HME [Member]
Segment Reporting Information [Line Items]
Restructuring Charges including Inventory Markdowns	0				0	0	0
Restructuring Reserve, Settled with Cash	0				0	0	0
Restructuring Reserve	0				0	0	0
Product Line Discontinuance [Member] | IPG [Member]
Segment Reporting Information [Line Items]
Restructuring Charges including Inventory Markdowns	0				0	0	0
Restructuring Reserve, Settled with Cash	0				0	0	0
Restructuring Reserve	0				0	0	0
Contract Termination [Member]
Segment Reporting Information [Line Items]
Restructuring Charges including Inventory Markdowns	0				698,000	1,725,000	1,788,000
Restructuring Reserve, Settled with Cash	(154,000)				(1,824,000)	(174,000)	(1,714,000)
Restructuring Reserve	345,000				499,000	1,625,000	74,000	0
Contract Termination [Member] | Europe [Member]
Segment Reporting Information [Line Items]
Restructuring Charges including Inventory Markdowns	0				0	53,000	1,788,000
Restructuring Reserve, Settled with Cash	0				0	(127,000)	(1,714,000)
Restructuring Reserve	0				0	0	74,000
Contract Termination [Member] | Asia Pacific [Member]
Segment Reporting Information [Line Items]
Restructuring Charges including Inventory Markdowns	0				534,000	1,667,000	0
Restructuring Reserve, Settled with Cash	(154,000)				(1,660,000)	(42,000)	0
Restructuring Reserve	345,000				499,000	1,625,000	0
Contract Termination [Member] | NA/HME [Member]
Segment Reporting Information [Line Items]
Restructuring Charges including Inventory Markdowns	0				164,000	5,000	0
Restructuring Reserve, Settled with Cash	0				(164,000)	(5,000)	0
Restructuring Reserve	0				0	0	0
Contract Termination [Member] | IPG [Member]
Segment Reporting Information [Line Items]
Restructuring Charges including Inventory Markdowns	0				0	0	0
Restructuring Reserve, Settled with Cash	0				0	0	0
Restructuring Reserve	0				0	0	0
Other [Member]
Segment Reporting Information [Line Items]
Restructuring Charges including Inventory Markdowns	719,000				356,000	2,404,000	117,000
Restructuring Reserve, Settled with Cash	(719,000)				(362,000)	(2,398,000)	(117,000)
Restructuring Reserve	0				0	6,000	0	0
Other [Member] | Europe [Member]
Segment Reporting Information [Line Items]
Restructuring Charges including Inventory Markdowns	0				0	1,223,000	113,000
Restructuring Reserve, Settled with Cash	0				0	(1,223,000)	(113,000)
Restructuring Reserve	0				0	0	0
Other [Member] | Asia Pacific [Member]
Segment Reporting Information [Line Items]
Restructuring Charges including Inventory Markdowns	0				3,000	1,181,000	0
Restructuring Reserve, Settled with Cash	0				(9,000)	(1,175,000)	0
Restructuring Reserve	0				0	6,000	0
Other [Member] | NA/HME [Member]
Segment Reporting Information [Line Items]
Restructuring Charges including Inventory Markdowns	0				353,000	0	4,000
Restructuring Reserve, Settled with Cash	0				(353,000)	0	(4,000)
Restructuring Reserve	0				0	0	0
Other [Member] | IPG [Member]
Segment Reporting Information [Line Items]
Restructuring Charges including Inventory Markdowns	719,000				0	0	0
Restructuring Reserve, Settled with Cash	(719,000)				0	0	0
Restructuring Reserve	$ 0				$ 0	$ 0	$ 0

[1] The information by segment is as follows (in thousands): For the Three Months Ended March 31, 2014 March 31, 2013Revenues from external customers North America/HME$129,110 $151,882Institutional Products Group25,136 29,224Europe142,768 137,634Asia/Pacific12,055 12,697Consolidated$309,069 $331,437Intersegment revenues North America/HME$18,673 $18,836Institutional Products Group1,573 1,107Europe1,682 1,953Asia/Pacific6,192 6,882Consolidated$28,120 $28,778Restructuring charges before income taxes North America/HME$803 $1,679Institutional Products Group1,059 188Europe378 115Asia/Pacific— 540Consolidated$2,240 $2,522Earnings (loss) before income taxes North America/HME$(16,799) $(11,179)Institutional Products Group(251) 474Europe9,246 5,843Asia/Pacific(2,801) (2,261)All Other (1)(5,146) (6,060)Consolidated$(15,751) $(13,183) ________________________(1)Consists of un-allocated corporate SG&A costs and intercompany profits, which do not meet the quantitative criteria for determining reportable segments.