Business Segments - (Net Sales by Product) (Details) - USD ($)
$ in Thousands |
12 Months Ended |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
| Revenue from External Customer [Line Items] |
|
|
|
| Net sales by product |
$ 1,047,474
|
$ 1,142,338
|
$ 1,270,163
|
| North America/HME |
|
|
|
| Revenue from External Customer [Line Items] |
|
|
|
| Net sales by product |
397,702
|
474,196
|
507,867
|
| Institutional Products Group | Continuing Care |
|
|
|
| Revenue from External Customer [Line Items] |
|
|
|
| Net sales by product |
64,413
|
87,137
|
102,796
|
| Europe |
|
|
|
| Revenue from External Customer [Line Items] |
|
|
|
| Net sales by product |
540,013
|
536,463
|
610,555
|
| Asia/Pacific |
|
|
|
| Revenue from External Customer [Line Items] |
|
|
|
| Net sales by product |
45,346
|
44,542
|
48,945
|
| Operating Segments | North America/HME | Lifestyle Products |
|
|
|
| Revenue from External Customer [Line Items] |
|
|
|
| Net sales by product |
173,301
|
222,944
|
239,625
|
| Operating Segments | North America/HME | Mobility and Seating |
|
|
|
| Revenue from External Customer [Line Items] |
|
|
|
| Net sales by product |
116,722
|
117,232
|
115,776
|
| Operating Segments | North America/HME | Respiratory Therapy |
|
|
|
| Revenue from External Customer [Line Items] |
|
|
|
| Net sales by product |
104,631
|
130,349
|
149,063
|
| Operating Segments | North America/HME | Other Products and Services |
|
|
|
| Revenue from External Customer [Line Items] |
|
|
|
| Net sales by product |
3,048
|
3,671
|
3,403
|
| Operating Segments | Europe | Lifestyle Products |
|
|
|
| Revenue from External Customer [Line Items] |
|
|
|
| Net sales by product |
274,684
|
275,932
|
322,370
|
| Operating Segments | Europe | Mobility and Seating |
|
|
|
| Revenue from External Customer [Line Items] |
|
|
|
| Net sales by product |
214,713
|
208,730
|
228,163
|
| Operating Segments | Europe | Respiratory Therapy |
|
|
|
| Revenue from External Customer [Line Items] |
|
|
|
| Net sales by product |
35,030
|
36,373
|
40,661
|
| Operating Segments | Europe | Other Products and Services |
|
|
|
| Revenue from External Customer [Line Items] |
|
|
|
| Net sales by product |
15,586
|
15,428
|
19,361
|
| Operating Segments | Asia/Pacific | Lifestyle Products |
|
|
|
| Revenue from External Customer [Line Items] |
|
|
|
| Net sales by product |
10,161
|
10,277
|
11,772
|
| Operating Segments | Asia/Pacific | Mobility and Seating |
|
|
|
| Revenue from External Customer [Line Items] |
|
|
|
| Net sales by product |
25,254
|
25,655
|
28,174
|
| Operating Segments | Asia/Pacific | Respiratory Therapy |
|
|
|
| Revenue from External Customer [Line Items] |
|
|
|
| Net sales by product |
1,244
|
807
|
1,286
|
| Operating Segments | Asia/Pacific | Continuing Care |
|
|
|
| Revenue from External Customer [Line Items] |
|
|
|
| Net sales by product |
3,521
|
3,115
|
3,956
|
| Operating Segments | Asia/Pacific | Other Products and Services |
|
|
|
| Revenue from External Customer [Line Items] |
|
|
|
| Net sales by product |
$ 5,166
|
$ 4,688
|
$ 3,757
|