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CONDENSED CONSOLIDATED BALANCE SHEETS (USD $)
In Thousands, unless otherwise specified
Nov. 30, 2012
Aug. 31, 2012
Assets    
Cash and cash equivalents $ 52,435 $ 69,719
Short-term investments 21,883 1,033
Trade accounts receivable, less allowance for doubtful accounts of $584 and $391 at November 30, 2012 and August 31, 2012, respectively 57,117 55,491
Inventories 30,767 29,797
Current deferred tax assets, net 5,556 5,551
Other current assets 5,096 4,526
Total current assets 172,854 166,117
Property and equipment, net 8,846 9,063
Goodwill 95,368 95,318
Other intangible assets, net 27,257 27,685
Other assets 2,780 2,687
Total assets 307,105 300,870
Liabilities and Shareholders' Equity    
Accounts payable 23,315 21,242
Accrued liabilities 15,297 16,492
Revolving credit facility 45,000 45,000
Accrued payroll and related expenses 8,012 5,904
Income taxes payable 2,886 807
Total current liabilities 94,510 89,445
Long-term deferred tax liabilities, net 24,963 24,007
Deferred and other long-term liabilities 2,016 1,956
Total liabilities 121,489 115,408
Shareholders' equity:    
Common stock - authorized 36,000,000 shares, $0.001 par value; 19,278,504 and 19,208,845 shares issued at November 30, 2012 and August 31, 2012, respectively; and 15,595,924 and 15,697,534 shares outstanding at November 30, 2012 and August 31, 2012, respectively 19 19
Additional paid-in capital 127,055 126,210
Retained earnings 199,630 193,265
Accumulated other comprehensive loss (1,692) (2,727)
Common stock held in treasury, at cost - 3,682,580 and 3,511,311 shares at November 30, 2012 and August 31, 2012, respectively (139,396) (131,305)
Total shareholders' equity 185,616 185,462
Total liabilities and shareholders' equity $ 307,105 $ 300,870