Business Segments (Information by Segment) (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
Segment Reporting Information [Line Items]
Net sales	$ 320,520				$ 336,578		$ 951,964		$ 1,003,659
Charges	4,077		2,090	2,240	1,884		8,407		6,998		9,336	11,395	10,534
Earnings (loss) before income taxes	(26,375)				(6,004)		(54,825)		(35,895)
North America/HME
Segment Reporting Information [Line Items]
Net sales	124,258				146,454		383,109		448,547
Charges	3,041		845	803	1,210		4,689		4,837		5,922	4,247	4,759
Earnings (loss) before income taxes	(22,568)				(11,563)		(54,821)		(37,808)
Institutional Products Group
Segment Reporting Information [Line Items]
Net sales	25,151				28,083		76,072		87,135
Charges	591		658	1,059	36		2,308		237		267	35	123
Earnings (loss) before income taxes	(7,275)				1,010		(7,636)		1,955
Europe
Segment Reporting Information [Line Items]
Net sales	158,505				150,265		455,263		429,650
Charges	69				542		1,030		722
Earnings (loss) before income taxes	12,181				13,136		33,190		27,344
Asia/Pacific
Segment Reporting Information [Line Items]
Net sales	12,606				11,776		37,520		38,327
Charges	376				96		380		1,202
Earnings (loss) before income taxes	(1,736)				(2,233)		(6,835)		(9,871)
All Other
Segment Reporting Information [Line Items]
Earnings (loss) before income taxes	(6,977)	[1]			(6,354)	[1]	(18,723)	[1]	(17,515)	[1]
Intersegment revenues
Segment Reporting Information [Line Items]
Net sales	32,519				29,982		92,462		89,259
Intersegment revenues | North America/HME
Segment Reporting Information [Line Items]
Net sales	20,730				20,427		60,084		59,443
Intersegment revenues | Institutional Products Group
Segment Reporting Information [Line Items]
Net sales	1,414				1,254		5,840		4,243
Intersegment revenues | Europe
Segment Reporting Information [Line Items]
Net sales	2,681				1,890		6,494		6,156
Intersegment revenues | Asia/Pacific
Segment Reporting Information [Line Items]
Net sales	$ 7,694				$ 6,411		$ 20,044		$ 19,417

[1] Consists of un-allocated corporate SG&A costs and intercompany profits, which do not meet the quantitative criteria for determining reportable segments.