Acquisitions (Details) (USD $)	12 Months Ended					12 Months Ended				12 Months Ended					12 Months Ended
	Dec. 29, 2012 Anasazi Software, Inc. [Member]	Nov. 26, 2012 Anasazi Software, Inc. [Member]	Nov. 26, 2012 Anasazi Software, Inc. [Member] Customer relationships [Member]	Nov. 26, 2012 Anasazi Software, Inc. [Member] Existing technologies [Member]	Nov. 26, 2012 Anasazi Software, Inc. [Member] Trade names [Member]	Dec. 31, 2011 Clairvia, Inc. [Member]	Oct. 17, 2011 Clairvia, Inc. [Member]	Oct. 17, 2011 Clairvia, Inc. [Member] Customer relationships [Member]	Oct. 17, 2011 Clairvia, Inc. [Member] Existing technologies [Member]	Dec. 29, 2012 Resource Systems, Inc. [Member]	Dec. 31, 2011 Resource Systems, Inc. [Member]	May 23, 2011 Resource Systems, Inc. [Member]	May 23, 2011 Resource Systems, Inc. [Member] Customer relationships [Member]	May 23, 2011 Resource Systems, Inc. [Member] Existing technologies [Member]	Jan. 01, 2011 IMC Health Care, Inc. [Member]	Jan. 04, 2010 IMC Health Care, Inc. [Member]	Jan. 04, 2010 IMC Health Care, Inc. [Member] Customer relationships [Member]
Business Acquisition, Purchase Price Allocation [Abstract]
Current assets		$ 6,026,000
Property and equipment		798,000
Current liabilities		(6,605,000)
Deferred income taxes, net		(6,594,000)
Total net tangible liabilities acquired		(6,375,000)
Total intangible assets acquired		18,559,000	12,829,000	5,218,000	512,000		14,100,000	6,800,000	6,100,000			18,200,000	11,200,000	6,400,000		5,100,000	4,100,000
Goodwill		35,281,000					24,600,000					26,100,000				11,300,000
Total purchase price		47,465,000					38,300,000					36,300,000				16,600,000
Business Acquisition, Effective Date of Acquisition	Nov. 26, 2012					Oct. 17, 2011					May 23, 2011				Jan. 04, 2010
Business Acquisition, Percentage of Voting Interests Acquired		100.00%										100.00%				100.00%
Business Acquisition, Contingent Consideration, at Fair Value		1,900,000
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability										$ 3,400,000
Business Combination, Goodwill Recognized, Segment Allocation	All of the goodwill was allocated to our Domestic operating segment					The goodwill was allocated to our Domestic operating segment					The goodwill was allocated to our Domestic operating segment				The goodwill was allocated to our Domestic operating segment
Business Acquisition, Purchase Price Allocation, Goodwill, Expected Tax Deductible Amount, Description	is not expected to be deductible for tax purposes					is expected to be deductible for tax purposes					is not expected to be deductible for tax purposes				is expected to be deductible for tax purposes
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	12 years 0 months 0 days					7 years 0 months 0 days					5 years 0 months 0 days				5 years 0 months 0 days