Charges Related To Restructuring Activities (Details) (USD $) | 3 Months Ended | 9 Months Ended | 12 Months Ended |
Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Sep. 30, 2013 | Dec. 31, 2012 | Dec. 31, 2011 |
Restructuring Cost and Reserve [Line Items] | ' | ' | ' | ' | ' | ' |
Restructuring Reserve, Beginning Balance | $5,902,000 | $5,493,000 | $6,993,000 | $6,993,000 | $4,979,000 | $0 |
Restructuring Charges including Inventory Markdowns | 1,884,000 | 2,592,000 | 2,522,000 | 6,998,000 | 11,395,000 | 10,534,000 |
Restructuring Reserve, Settled with Cash | -3,625,000 | -2,183,000 | -4,022,000 | -9,830,000 | -9,381,000 | -5,555,000 |
Restructuring Reserve, Ending Balance | 4,161,000 | 5,902,000 | 5,493,000 | 4,161,000 | 6,993,000 | 4,979,000 |
Severance [Member] | ' | ' | ' | ' | ' | ' |
Restructuring Cost and Reserve [Line Items] | ' | ' | ' | ' | ' | ' |
Restructuring Reserve, Beginning Balance | 4,920,000 | 4,546,000 | 5,211,000 | 5,211,000 | 4,905,000 | 0 |
Restructuring Charges including Inventory Markdowns | 1,434,000 | 2,506,000 | 2,436,000 | ' | 6,775,000 | 8,352,000 |
Restructuring Reserve, Settled with Cash | -2,873,000 | -2,132,000 | -3,101,000 | ' | -6,469,000 | -3,447,000 |
Restructuring Reserve, Ending Balance | 3,481,000 | 4,920,000 | 4,546,000 | 3,481,000 | 5,211,000 | 4,905,000 |
Product Line Discontinuance [Member] | ' | ' | ' | ' | ' | ' |
Restructuring Cost and Reserve [Line Items] | ' | ' | ' | ' | ' | ' |
Restructuring Reserve, Beginning Balance | 0 | 0 | 151,000 | 151,000 | 0 | 0 |
Restructuring Charges including Inventory Markdowns | 0 | 0 | 0 | ' | 491,000 | 277,000 |
Restructuring Reserve, Settled with Cash | 0 | 0 | -151,000 | ' | -340,000 | -277,000 |
Restructuring Reserve, Ending Balance | 0 | 0 | 0 | 0 | 151,000 | 0 |
Contract Termination [Member] | ' | ' | ' | ' | ' | ' |
Restructuring Cost and Reserve [Line Items] | ' | ' | ' | ' | ' | ' |
Restructuring Reserve, Beginning Balance | 982,000 | 945,000 | 1,625,000 | 1,625,000 | 74,000 | 0 |
Restructuring Charges including Inventory Markdowns | 292,000 | 86,000 | 86,000 | ' | 1,725,000 | 1,788,000 |
Restructuring Reserve, Settled with Cash | -642,000 | -49,000 | -766,000 | ' | -174,000 | -1,714,000 |
Restructuring Reserve, Ending Balance | 632,000 | 982,000 | 945,000 | 632,000 | 1,625,000 | 74,000 |
Other [Member] | ' | ' | ' | ' | ' | ' |
Restructuring Cost and Reserve [Line Items] | ' | ' | ' | ' | ' | ' |
Restructuring Reserve, Beginning Balance | 0 | 2,000 | 6,000 | 6,000 | 0 | 0 |
Restructuring Charges including Inventory Markdowns | 158,000 | 0 | 0 | ' | 2,404,000 | 117,000 |
Restructuring Reserve, Settled with Cash | -110,000 | -2,000 | -4,000 | ' | -2,398,000 | -117,000 |
Restructuring Reserve, Ending Balance | 48,000 | 0 | 2,000 | 48,000 | 6,000 | 0 |
NA/HME [Member] | ' | ' | ' | ' | ' | ' |
Restructuring Cost and Reserve [Line Items] | ' | ' | ' | ' | ' | ' |
Restructuring Reserve, Beginning Balance | 3,574,000 | 3,421,000 | 3,747,000 | 3,747,000 | 3,092,000 | ' |
Restructuring Charges including Inventory Markdowns | 1,210,000 | 1,948,000 | 1,679,000 | ' | 4,247,000 | 4,759,000 |
Restructuring Reserve, Settled with Cash | -2,014,000 | -1,795,000 | -2,005,000 | ' | -3,592,000 | -1,667,000 |
Restructuring Reserve, Ending Balance | 2,770,000 | 3,574,000 | 3,421,000 | 2,770,000 | 3,747,000 | 3,092,000 |
NA/HME [Member] | Severance [Member] | ' | ' | ' | ' | ' | ' |
Restructuring Cost and Reserve [Line Items] | ' | ' | ' | ' | ' | ' |
Restructuring Reserve, Beginning Balance | 3,574,000 | 3,421,000 | 3,747,000 | 3,747,000 | 3,092,000 | ' |
Restructuring Charges including Inventory Markdowns | 644,000 | 1,948,000 | 1,679,000 | ' | 4,242,000 | 4,755,000 |
Restructuring Reserve, Settled with Cash | -1,624,000 | -1,795,000 | -2,005,000 | ' | -3,587,000 | -1,663,000 |
Restructuring Reserve, Ending Balance | 2,594,000 | 3,574,000 | 3,421,000 | 2,594,000 | 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 | 0 | 0 | ' |
Restructuring Charges including Inventory Markdowns | 0 | 0 | 0 | ' | 0 | 0 |
Restructuring Reserve, Settled with Cash | 0 | 0 | 0 | ' | 0 | 0 |
Restructuring Reserve, Ending Balance | 0 | 0 | 0 | 0 | 0 | 0 |
NA/HME [Member] | Contract Termination [Member] | ' | ' | ' | ' | ' | ' |
Restructuring Cost and Reserve [Line Items] | ' | ' | ' | ' | ' | ' |
Restructuring Reserve, Beginning Balance | 0 | 0 | 0 | 0 | 0 | ' |
Restructuring Charges including Inventory Markdowns | 213,000 | 0 | 0 | ' | 5,000 | 0 |
Restructuring Reserve, Settled with Cash | -85,000 | 0 | 0 | ' | -5,000 | 0 |
Restructuring Reserve, Ending Balance | 128,000 | 0 | 0 | 128,000 | 0 | 0 |
NA/HME [Member] | Other [Member] | ' | ' | ' | ' | ' | ' |
Restructuring Cost and Reserve [Line Items] | ' | ' | ' | ' | ' | ' |
Restructuring Reserve, Beginning Balance | 0 | 0 | 0 | 0 | 0 | ' |
Restructuring Charges including Inventory Markdowns | 353,000 | 0 | 0 | ' | 0 | 4,000 |
Restructuring Reserve, Settled with Cash | -305,000 | 0 | 0 | ' | 0 | -4,000 |
Restructuring Reserve, Ending Balance | 48,000 | 0 | 0 | 48,000 | 0 | 0 |
IPG [Member] | ' | ' | ' | ' | ' | ' |
Restructuring Cost and Reserve [Line Items] | ' | ' | ' | ' | ' | ' |
Restructuring Reserve, Beginning Balance | 159,000 | 172,000 | 0 | 0 | 71,000 | ' |
Restructuring Charges including Inventory Markdowns | 36,000 | 13,000 | 189,000 | ' | 35,000 | 123,000 |
Restructuring Reserve, Settled with Cash | -52,000 | -26,000 | -17,000 | ' | -106,000 | -52,000 |
Restructuring Reserve, Ending Balance | 143,000 | 159,000 | 172,000 | 143,000 | 0 | 71,000 |
IPG [Member] | Severance [Member] | ' | ' | ' | ' | ' | ' |
Restructuring Cost and Reserve [Line Items] | ' | ' | ' | ' | ' | ' |
Restructuring Reserve, Beginning Balance | 159,000 | 172,000 | 0 | 0 | 71,000 | ' |
Restructuring Charges including Inventory Markdowns | 36,000 | 13,000 | 189,000 | ' | 35,000 | 123,000 |
Restructuring Reserve, Settled with Cash | -52,000 | -26,000 | -17,000 | ' | -106,000 | -52,000 |
Restructuring Reserve, Ending Balance | 143,000 | 159,000 | 172,000 | 143,000 | 0 | 71,000 |
IPG [Member] | Product Line Discontinuance [Member] | ' | ' | ' | ' | ' | ' |
Restructuring Cost and Reserve [Line Items] | ' | ' | ' | ' | ' | ' |
Restructuring Reserve, Beginning Balance | 0 | 0 | 0 | 0 | 0 | ' |
Restructuring Charges including Inventory Markdowns | 0 | 0 | 0 | ' | 0 | 0 |
Restructuring Reserve, Settled with Cash | 0 | 0 | 0 | ' | 0 | 0 |
Restructuring Reserve, Ending Balance | 0 | 0 | 0 | 0 | 0 | 0 |
IPG [Member] | Contract Termination [Member] | ' | ' | ' | ' | ' | ' |
Restructuring Cost and Reserve [Line Items] | ' | ' | ' | ' | ' | ' |
Restructuring Reserve, Beginning Balance | 0 | 0 | 0 | 0 | 0 | ' |
Restructuring Charges including Inventory Markdowns | 0 | 0 | 0 | ' | 0 | 0 |
Restructuring Reserve, Settled with Cash | 0 | 0 | 0 | ' | 0 | 0 |
Restructuring Reserve, Ending Balance | 0 | 0 | 0 | 0 | 0 | 0 |
IPG [Member] | Other [Member] | ' | ' | ' | ' | ' | ' |
Restructuring Cost and Reserve [Line Items] | ' | ' | ' | ' | ' | ' |
Restructuring Reserve, Beginning Balance | 0 | 0 | 0 | 0 | 0 | ' |
Restructuring Charges including Inventory Markdowns | 0 | 0 | 0 | ' | 0 | 0 |
Restructuring Reserve, Settled with Cash | 0 | 0 | 0 | ' | 0 | 0 |
Restructuring Reserve, Ending Balance | 0 | 0 | 0 | 0 | 0 | 0 |
Europe [Member] | ' | ' | ' | ' | ' | ' |
Restructuring Cost and Reserve [Line Items] | ' | ' | ' | ' | ' | ' |
Restructuring Reserve, Beginning Balance | 132,000 | 249,000 | 595,000 | 595,000 | 1,816,000 | ' |
Restructuring Charges including Inventory Markdowns | 541,000 | 65,000 | 115,000 | ' | 2,093,000 | 5,466,000 |
Restructuring Reserve, Settled with Cash | 41,000 | -182,000 | -461,000 | ' | -3,314,000 | -3,650,000 |
Restructuring Reserve, Ending Balance | 714,000 | 132,000 | 249,000 | 714,000 | 595,000 | 1,816,000 |
Europe [Member] | Severance [Member] | ' | ' | ' | ' | ' | ' |
Restructuring Cost and Reserve [Line Items] | ' | ' | ' | ' | ' | ' |
Restructuring Reserve, Beginning Balance | 132,000 | 249,000 | 595,000 | 595,000 | 1,742,000 | ' |
Restructuring Charges including Inventory Markdowns | 739,000 | 65,000 | 115,000 | ' | 817,000 | 3,288,000 |
Restructuring Reserve, Settled with Cash | -157,000 | -182,000 | -461,000 | ' | -1,964,000 | -1,546,000 |
Restructuring Reserve, Ending Balance | 714,000 | 132,000 | 249,000 | 714,000 | 595,000 | 1,742,000 |
Europe [Member] | Product Line Discontinuance [Member] | ' | ' | ' | ' | ' | ' |
Restructuring Cost and Reserve [Line Items] | ' | ' | ' | ' | ' | ' |
Restructuring Reserve, Beginning Balance | 0 | 0 | 0 | 0 | 0 | ' |
Restructuring Charges including Inventory Markdowns | 0 | 0 | 0 | ' | 0 | 277,000 |
Restructuring Reserve, Settled with Cash | 0 | 0 | 0 | ' | 0 | -277,000 |
Restructuring Reserve, Ending Balance | 0 | 0 | 0 | 0 | 0 | 0 |
Europe [Member] | Contract Termination [Member] | ' | ' | ' | ' | ' | ' |
Restructuring Cost and Reserve [Line Items] | ' | ' | ' | ' | ' | ' |
Restructuring Reserve, Beginning Balance | 0 | 0 | 0 | 0 | 74,000 | ' |
Restructuring Charges including Inventory Markdowns | 0 | 0 | 0 | ' | 53,000 | 1,788,000 |
Restructuring Reserve, Settled with Cash | 0 | 0 | 0 | ' | -127,000 | -1,714,000 |
Restructuring Reserve, Ending Balance | 0 | 0 | 0 | 0 | 0 | 74,000 |
Europe [Member] | Other [Member] | ' | ' | ' | ' | ' | ' |
Restructuring Cost and Reserve [Line Items] | ' | ' | ' | ' | ' | ' |
Restructuring Reserve, Beginning Balance | 0 | 0 | 0 | 0 | 0 | ' |
Restructuring Charges including Inventory Markdowns | -198,000 | 0 | 0 | ' | 1,223,000 | 113,000 |
Restructuring Reserve, Settled with Cash | 198,000 | 0 | 0 | ' | -1,223,000 | -113,000 |
Restructuring Reserve, Ending Balance | 0 | 0 | 0 | 0 | 0 | 0 |
Asia/Pacific [Member] | ' | ' | ' | ' | ' | ' |
Restructuring Cost and Reserve [Line Items] | ' | ' | ' | ' | ' | ' |
Restructuring Reserve, Beginning Balance | 2,037,000 | 1,651,000 | 2,651,000 | 2,651,000 | 0 | ' |
Restructuring Charges including Inventory Markdowns | 97,000 | 566,000 | 539,000 | ' | 5,020,000 | 186,000 |
Restructuring Reserve, Settled with Cash | -1,600,000 | -180,000 | -1,539,000 | ' | -2,369,000 | -186,000 |
Restructuring Reserve, Ending Balance | 534,000 | 2,037,000 | 1,651,000 | 534,000 | 2,651,000 | 0 |
Asia/Pacific [Member] | Severance [Member] | ' | ' | ' | ' | ' | ' |
Restructuring Cost and Reserve [Line Items] | ' | ' | ' | ' | ' | ' |
Restructuring Reserve, Beginning Balance | 1,055,000 | 704,000 | 869,000 | 869,000 | 0 | ' |
Restructuring Charges including Inventory Markdowns | 15,000 | 480,000 | 453,000 | ' | 1,681,000 | 186,000 |
Restructuring Reserve, Settled with Cash | -1,040,000 | -129,000 | -618,000 | ' | -812,000 | -186,000 |
Restructuring Reserve, Ending Balance | 30,000 | 1,055,000 | 704,000 | 30,000 | 869,000 | 0 |
Asia/Pacific [Member] | Product Line Discontinuance [Member] | ' | ' | ' | ' | ' | ' |
Restructuring Cost and Reserve [Line Items] | ' | ' | ' | ' | ' | ' |
Restructuring Reserve, Beginning Balance | 0 | 0 | 151,000 | 151,000 | 0 | ' |
Restructuring Charges including Inventory Markdowns | 0 | 0 | 0 | ' | 491,000 | 0 |
Restructuring Reserve, Settled with Cash | 0 | 0 | -151,000 | ' | -340,000 | 0 |
Restructuring Reserve, Ending Balance | 0 | 0 | 0 | 0 | 151,000 | 0 |
Asia/Pacific [Member] | Contract Termination [Member] | ' | ' | ' | ' | ' | ' |
Restructuring Cost and Reserve [Line Items] | ' | ' | ' | ' | ' | ' |
Restructuring Reserve, Beginning Balance | 982,000 | 945,000 | 1,625,000 | 1,625,000 | 0 | ' |
Restructuring Charges including Inventory Markdowns | 79,000 | 86,000 | 86,000 | ' | 1,667,000 | 0 |
Restructuring Reserve, Settled with Cash | -557,000 | -49,000 | -766,000 | ' | -42,000 | 0 |
Restructuring Reserve, Ending Balance | 504,000 | 982,000 | 945,000 | 504,000 | 1,625,000 | 0 |
Asia/Pacific [Member] | Other [Member] | ' | ' | ' | ' | ' | ' |
Restructuring Cost and Reserve [Line Items] | ' | ' | ' | ' | ' | ' |
Restructuring Reserve, Beginning Balance | 0 | 2,000 | 6,000 | 6,000 | 0 | ' |
Restructuring Charges including Inventory Markdowns | 3,000 | 0 | 0 | ' | 1,181,000 | 0 |
Restructuring Reserve, Settled with Cash | -3,000 | -2,000 | -4,000 | ' | -1,175,000 | 0 |
Restructuring Reserve, Ending Balance | $0 | $0 | $2,000 | $0 | $6,000 | $0 |