Charges Related To Restructuring Activities (Details) (USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	$ 4,485,000	$ 6,993,000	$ 4,979,000	$ 0
Restructuring Charges including Inventory Markdowns	2,240,000	9,336,000	11,395,000	10,534,000
Restructuring Reserve, Settled with Cash	(2,625,000)	(11,844,000)	(9,381,000)	(5,555,000)
Restructuring Reserve, Ending Balance	4,100,000	4,485,000	6,993,000	4,979,000
Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	3,986,000	5,211,000	4,905,000	0
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, Ending Balance	3,755,000	3,986,000	5,211,000	4,905,000
Product Line Discontinuance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	0	151,000	0	0
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, Ending Balance	0	0	151,000	0
Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	499,000	1,625,000	74,000	0
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, Ending Balance	345,000	499,000	1,625,000	74,000
Other [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	0	6,000	0	0
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, Ending Balance	0	0	6,000	0
NA/HME [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	2,805,000	3,747,000	3,092,000
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, Ending Balance	2,488,000	2,805,000	3,747,000	3,092,000
NA/HME [Member] | Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	2,805,000	3,747,000	3,092,000
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, Ending Balance	2,488,000	2,805,000	3,747,000	3,092,000
NA/HME [Member] | Product Line Discontinuance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	0	0	0
Restructuring Charges including Inventory Markdowns	0	0	0	0
Restructuring Reserve, Settled with Cash	0	0	0	0
Restructuring Reserve, Ending Balance	0	0	0	0
NA/HME [Member] | Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	0	0	0
Restructuring Charges including Inventory Markdowns	0	164,000	5,000	0
Restructuring Reserve, Settled with Cash	0	(164,000)	(5,000)	0
Restructuring Reserve, Ending Balance	0	0	0	0
NA/HME [Member] | Other [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	0	0	0
Restructuring Charges including Inventory Markdowns	0	353,000	0	4,000
Restructuring Reserve, Settled with Cash	0	(353,000)	0	(4,000)
Restructuring Reserve, Ending Balance	0	0	0	0
IPG [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	92,000	0	71,000
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, Ending Balance	397,000	92,000	0	71,000
IPG [Member] | Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	92,000	0	71,000
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, Ending Balance	397,000	92,000	0	71,000
IPG [Member] | Product Line Discontinuance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	0	0	0
Restructuring Charges including Inventory Markdowns	0	0	0	0
Restructuring Reserve, Settled with Cash	0	0	0	0
Restructuring Reserve, Ending Balance	0	0	0	0
IPG [Member] | Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	0	0	0
Restructuring Charges including Inventory Markdowns	0	0	0	0
Restructuring Reserve, Settled with Cash	0	0	0	0
Restructuring Reserve, Ending Balance	0	0	0	0
IPG [Member] | Other [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	0	0	0
Restructuring Charges including Inventory Markdowns	719,000	0	0	0
Restructuring Reserve, Settled with Cash	(719,000)	0	0	0
Restructuring Reserve, Ending Balance	0	0	0	0
Europe [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	1,089,000	595,000	1,816,000
Restructuring Charges including Inventory Markdowns	378,000	1,640,000	2,093,000	5,466,000
Restructuring Reserve, Settled with Cash	(597,000)	(1,146,000)	(3,314,000)	(3,650,000)
Restructuring Reserve, Ending Balance	870,000	1,089,000	595,000	1,816,000
Europe [Member] | Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	1,089,000	595,000	1,742,000
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, Ending Balance	870,000	1,089,000	595,000	1,742,000
Europe [Member] | Product Line Discontinuance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	0	0	0
Restructuring Charges including Inventory Markdowns	0	0	0	277,000
Restructuring Reserve, Settled with Cash	0	0	0	(277,000)
Restructuring Reserve, Ending Balance	0	0	0	0
Europe [Member] | Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	0	0	74,000
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, Ending Balance	0	0	0	74,000
Europe [Member] | Other [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	0	0	0
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, Ending Balance	0	0	0	0
Asia/Pacific [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	499,000	2,651,000	0
Restructuring Charges including Inventory Markdowns	0	1,507,000	5,020,000	186,000
Restructuring Reserve, Settled with Cash	(154,000)	(3,659,000)	(2,369,000)	(186,000)
Restructuring Reserve, Ending Balance	345,000	499,000	2,651,000	0
Asia/Pacific [Member] | Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	0	869,000	0
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, Ending Balance	0	0	869,000	0
Asia/Pacific [Member] | Product Line Discontinuance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	0	151,000	0
Restructuring Charges including Inventory Markdowns	0	0	491,000	0
Restructuring Reserve, Settled with Cash	0	(151,000)	(340,000)	0
Restructuring Reserve, Ending Balance	0	0	151,000	0
Asia/Pacific [Member] | Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	499,000	1,625,000	0
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, Ending Balance	345,000	499,000	1,625,000	0
Asia/Pacific [Member] | Other [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	0	6,000	0
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, Ending Balance	$ 0	$ 0	$ 6,000	$ 0