CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Cash Flows From Operating Activities:    
Net income $ 51,492 $ 90,045
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 36,344 29,699
Share-based compensation 6,447 5,935
Loss on the disposition of property, plant and equipment 1,562 97
Amortization of capitalized financing costs 659 657
Excess tax benefits related to share-based compensation (402) (1,166)
Asset impairment charges 34,893  
Loss on sale of equity investment 33  
Deferred income taxes (15,285) (9,134)
Changes in operating assets and liabilities (net of acquisitions):    
Increase in accounts receivable, net (31,288) (104,540)
Decrease in inventory 54,354 51,974
(Increase) decrease in other assets (8,720) 10,000
Increase in accounts payable 8,972 24,663
Increase (decrease) in checks in-transit 41,440 (2,679)
Increase in accrued liabilities 6,500 2,883
Decrease in other liabilities (3,342) (4,768)
Net cash provided by operating activities 183,659 93,666
Cash Flows From Investing Activities:    
Capital expenditures (18,133) (15,431)
Proceeds from the disposition of property, plant and equipment 184 872
Acquisitions, net of cash acquired (40,471) (26,725)
Proceeds from sale of equity investment 612  
Net cash used in investing activities (57,808) (41,284)
Cash Flows From Financing Activities:    
Net repayments under revolving credit facility (45,309) (12,094)
Borrowings under Receivables Securitization Program   9,300
Repayment of debt   (135,000)
Proceeds from the issuance of debt   150,000
Net disbursements from share-based compensation arrangements (1,507) (3,142)
Acquisition of treasury stock, at cost (55,677) (43,037)
Payment of cash dividends (15,976) (16,407)
Excess tax benefits related to share-based compensation 402 1,166
Payment of debt issuance costs (36) (623)
Net cash used in financing activities (118,103) (49,837)
Effect of exchange rate changes on cash and cash equivalents (513) (33)
Net change in cash and cash equivalents 7,235 2,512
Cash and cash equivalents, beginning of period 20,812 22,326
Cash and cash equivalents, end of period 28,047 24,838
Other Cash Flow Information:    
Income tax payments, net 53,704 55,867
Interest paid $ 16,032 $ 9,838