Charges Related To Restructuring Activities - Narrative (Details) - USD ($)	3 Months Ended							12 Months Ended
	Dec. 31, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Restructuring Cost and Reserve [Line Items]
Charges	$ 1,031,000	$ 689,000	$ 240,000	$ 2,705,000	$ 4,077,000	$ 2,090,000	$ 2,240,000	$ 1,971,000	$ 11,112,000	$ 9,336,000	$ 11,395,000	$ 10,534,000
Payments								$ (3,723,000)	(11,131,000)	(11,844,000)	(9,381,000)	(5,555,000)
Expected payout period								12 months
Severance
Restructuring Cost and Reserve [Line Items]
Charges								$ 1,678,000	9,841,000	8,282,000	6,775,000	8,352,000
Payments								(3,410,000)	(9,618,000)	(9,507,000)	(6,469,000)	(3,447,000)
Lease Terminations
Restructuring Cost and Reserve [Line Items]
Charges								293,000	(15,000)	698,000	1,725,000	1,788,000
Payments								(313,000)	(227,000)	(1,824,000)	(174,000)	(1,714,000)
Other
Restructuring Cost and Reserve [Line Items]
Charges								0	1,286,000	356,000	2,404,000	117,000
Payments								0	(1,286,000)	(362,000)	(2,398,000)	(117,000)
Inventory
Restructuring Cost and Reserve [Line Items]
Charges								0	0	0	491,000	277,000
Payments								0	0	(151,000)	(340,000)	(277,000)
Europe
Restructuring Cost and Reserve [Line Items]
Charges								510,000	1,052,000	1,640,000	2,093,000	5,466,000
Payments								(619,000)	(1,720,000)	(1,146,000)	(3,314,000)	(3,650,000)
Europe | Severance
Restructuring Cost and Reserve [Line Items]
Charges								510,000	527,000	1,640,000	817,000	3,288,000
Payments								(619,000)	(1,195,000)	(1,146,000)	(1,964,000)	(1,546,000)
Europe | Lease Terminations
Restructuring Cost and Reserve [Line Items]
Charges								0	0	0	53,000	1,788,000
Payments								0	0	0	(127,000)	(1,714,000)
Europe | Other
Restructuring Cost and Reserve [Line Items]
Charges								0	525,000	0	1,223,000	113,000
Payments								0	(525,000)	0	(1,223,000)	(113,000)
Europe | Inventory
Restructuring Cost and Reserve [Line Items]
Charges								0	0	0	0	277,000
Payments								0	0	0	0	(277,000)
Asia/Pacific
Restructuring Cost and Reserve [Line Items]
Charges								27,000	754,000	1,507,000	5,020,000	186,000
Payments								(284,000)	(996,000)	(3,659,000)	(2,369,000)	(186,000)
Asia/Pacific | Severance
Restructuring Cost and Reserve [Line Items]
Charges								26,000	769,000	970,000	1,681,000	186,000
Payments								(26,000)	(769,000)	(1,839,000)	(812,000)	(186,000)
Asia/Pacific | Lease Terminations
Restructuring Cost and Reserve [Line Items]
Charges								1,000	(15,000)	534,000	1,667,000	0
Payments								(258,000)	(227,000)	(1,660,000)	(42,000)	0
Asia/Pacific | Other
Restructuring Cost and Reserve [Line Items]
Charges								0	0	3,000	1,181,000	0
Payments								0	0	(9,000)	(1,175,000)	0
Asia/Pacific | Inventory
Restructuring Cost and Reserve [Line Items]
Charges								0	0	0	491,000	0
Payments								0	0	(151,000)	(340,000)	0
North America/HME
Restructuring Cost and Reserve [Line Items]
Charges								1,361,000	4,404,000	5,922,000	4,247,000	4,759,000
Payments								(1,124,000)	(6,547,000)	(6,864,000)	(3,592,000)	(1,667,000)
North America/HME | Severance
Restructuring Cost and Reserve [Line Items]
Charges								1,069,000	4,404,000	5,405,000	4,242,000	4,755,000
Payments								(1,069,000)	(6,547,000)	(6,347,000)	(3,587,000)	(1,663,000)
North America/HME | Lease Terminations
Restructuring Cost and Reserve [Line Items]
Charges								292,000	0	164,000	5,000	0
Payments								(55,000)	0	(164,000)	(5,000)	0
North America/HME | Other
Restructuring Cost and Reserve [Line Items]
Charges								0	0	353,000	0	4,000
Payments								0	0	(353,000)	0	(4,000)
North America/HME | Inventory
Restructuring Cost and Reserve [Line Items]
Charges								0	0	0	0	0
Payments								0	0	0	0	0
Other
Restructuring Cost and Reserve [Line Items]
Charges									2,978,000
Payments								(1,475,000)
Other | Severance
Restructuring Cost and Reserve [Line Items]
Charges									2,978,000
Payments								(1,475,000)
Other | Lease Terminations
Restructuring Cost and Reserve [Line Items]
Charges									0
Payments								0
Other | Other
Restructuring Cost and Reserve [Line Items]
Charges									0
Payments								0
Other | Inventory
Restructuring Cost and Reserve [Line Items]
Charges									0
Payments								0
Institutional Products Group
Restructuring Cost and Reserve [Line Items]
Charges								73,000	1,924,000	267,000	35,000	123,000
Payments								(221,000)	(1,868,000)	(175,000)	(106,000)	(52,000)
Institutional Products Group | Severance
Restructuring Cost and Reserve [Line Items]
Charges								73,000	1,163,000	267,000	35,000	123,000
Payments								(221,000)	(1,107,000)	(175,000)	(106,000)	(52,000)
Institutional Products Group | Lease Terminations
Restructuring Cost and Reserve [Line Items]
Charges								0	0	0	0	0
Payments								0	0	0	0	0
Institutional Products Group | Other
Restructuring Cost and Reserve [Line Items]
Charges								0	761,000	0	0	0
Payments								0	(761,000)	0	0	0
Institutional Products Group | Inventory
Restructuring Cost and Reserve [Line Items]
Charges								0	0	0	0	0
Payments								$ 0	$ 0	$ 0	$ 0	$ 0