XML 29 R67.htm IDEA: XBRL DOCUMENT v3.3.0.814
Quarterly Financial Data - Summary of Quarterly Financial Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2013
Quarterly Financial Information Disclosure [Abstract]                      
Revenue $ 189,252 $ 231,849 $ 172,143 $ 158,126 $ 164,084 $ 214,401 $ 136,615 $ 109,592 $ 751,370 $ 624,692 $ 584,497
Cost of sales 141,180 174,809 129,943 120,671 121,168 160,195 101,829 79,682 566,603 462,872 433,644
Gross profit 48,072 57,040 42,200 37,455 42,916 54,206 34,786 29,910 184,767 161,820 150,853
Selling, general, and administrative expenses 41,734 41,049 40,557 36,095 36,823 41,652 35,687 32,282 159,435 146,433 132,505
Income from operations 6,338 15,991 1,643 1,360 6,093 12,554 (901) (2,372) 25,332 15,387 18,348
Interest expense 914 1,141 1,253 1,146 885 1,051 1,078 997 4,454 4,024 4,218
Income before income taxes 5,424 14,850 390 214 5,208 11,503 (1,979) (3,369) 20,878 11,363 14,130
Income tax benefit (provision) 27,414       (91)       27,414 (91) 894
Net income $ 32,838 $ 14,850 $ 390 $ 214 $ 5,117 $ 11,503 $ (1,979) $ (3,369) $ 48,292 $ 11,272 $ 15,024
Net (loss) income per share:                      
Diluted $ 1.32 $ 0.59 $ 0.02 $ 0.01 $ 0.21 $ 0.47 $ (0.08) $ (0.14) $ 1.92 $ 0.46 $ 0.63
Weighted average number of shares:                      
Diluted 24,883,360 25,316,092 25,265,857 24,947,968 24,813,777 24,719,369 23,845,302 23,715,945 25,102,289 24,655,262 24,003,728