Annual report pursuant to Section 13 and 15(d)

Subsequent Event (Details)

v2.4.0.8
Subsequent Event (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 2 Months Ended 12 Months Ended 2 Months Ended 12 Months Ended
Feb. 02, 2014
Mar. 04, 2013
Feb. 19, 2014
Trade Names [Member]
Feb. 19, 2014
Customer Relationships [Member]
Dec. 31, 2013
Customer Relationships [Member]
Feb. 19, 2014
Noncompete Agreements [Member]
Dec. 31, 2013
Noncompete Agreements [Member]
Dec. 31, 2013
CST [Member]
Dec. 31, 2012
CST [Member]
Feb. 02, 2014
CST [Member]
Trade Names [Member]
Feb. 02, 2014
CST [Member]
Customer Relationships [Member]
Feb. 02, 2014
CST [Member]
Noncompete Agreements [Member]
Subsequent Event [Line Items]                        
Business Acquisition, Cash Paid $ 84,884 $ 45,328                    
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life     3 years 0 months 11 days 12 years 0 months 11 days 15 years 5 years 0 months 11 days 5 years          
Business Combination, Acquired Receivables, Gross Contractual Amount 9,463                      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment 1,051                      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets 186                      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Tangible Assets 10,700                      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill                   1,250 42,500 850
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Goodwill 44,892                      
Business Combination, Recognized Assets Acquired and Liabilities Assumed, Net Intangible Assets 89,492                      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities 6,040                      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other 123                      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt 9,145                      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities 15,308                      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Total Assets 100,192                      
Business Acquisition, Pro Forma Revenue               717,027 639,936      
Business Acquisition, Pro Forma Income (Loss) from Continuing Operations before Changes in Accounting and Extraordinary Items, Net of Tax               91,789 89,284      
Business Acquisition, Pro Forma Net Income (Loss)               59,091 56,205      
Business Acquisition, Pro Forma Earnings Per Share, Basic               $ 1.96 $ 1.94      
Business Acquisition, Pro Forma Earnings Per Share, Diluted               $ 1.92 $ 1.90      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Assets $ 84,884