v2.4.0.8
Segments (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Dec. 31, 2012
Segment Reporting Information [Line Items]          
Depreciation and amortization $ 4,488 $ 3,914 $ 13,732 $ 9,247  
Segment Reporting Information, Net Assets 505,984   505,984   441,819
Revenues 94,039 84,331 274,835 223,858  
Cost of Revenue 41,999 38,244 128,060 102,646  
Gross profit 52,040 46,087 146,775 121,212  
Gross Margin Percentage 55.30% 54.70% 53.40% 54.10%  
Operating Expenses 41,323 34,861 122,531 103,920  
Income from operations 10,717 11,226 24,244 17,292  
Operating margin percentage 11.40% 13.30% 8.80% 7.70%  
Interest and other income (expense), net 25 34 (134) 57  
Income before provision for income taxes 10,742 11,260 24,110 17,349  
Provision for income taxes 2,987 4,340 6,954 6,703  
Net income 7,755 6,920 17,156 10,646  
Segment Reporting Information, Expenditures for Additions to Long-Lived Assets 2,056 5,472 7,807 9,559  
Acute Care Solutions [Member]
         
Segment Reporting Information [Line Items]          
Depreciation and amortization 2,805 2,072 8,351 6,538  
Segment Reporting Information, Net Assets 284,067   284,067   235,186
Revenues 70,640 64,394 204,750 191,295  
Cost of Revenue 28,662 26,920 87,784 82,859  
Gross profit 41,978 37,474 116,966 108,436  
Gross Margin Percentage 59.40% 58.20% 57.10% 56.70%  
Operating Expenses 32,908 29,070 96,048 94,167  
Income from operations 9,070 8,404 20,918 14,269  
Operating margin percentage 12.80% 13.10% 10.20% 7.50%  
Segment Reporting Information, Expenditures for Additions to Long-Lived Assets 1,311 4,940 3,329 8,947  
Non-acute care solutions [Member]
         
Segment Reporting Information [Line Items]          
Depreciation and amortization 1,683 1,842 5,381 2,709  
Segment Reporting Information, Net Assets 221,917   221,917   206,633
Revenues 23,399 19,937 70,085 32,563  
Cost of Revenue 13,337 11,324 40,276 19,787  
Gross profit 10,062 8,613 29,809 12,776  
Gross Margin Percentage 43.00% 43.20% 42.50% 39.20%  
Operating Expenses 8,415 5,791 26,483 9,753  
Income from operations 1,647 2,822 3,326 3,023  
Operating margin percentage 7.00% 14.20% 4.70% 9.30%  
Segment Reporting Information, Expenditures for Additions to Long-Lived Assets $ 745 $ 532 $ 4,478 $ 612