Quarterly report pursuant to Section 13 or 15(d)

REVISION OF PRIOR PERIOD FINANCIAL STATEMENTS (Consolidated Statements of Operations) (Details)

v2.4.0.8
REVISION OF PRIOR PERIOD FINANCIAL STATEMENTS (Consolidated Statements of Operations) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Mar. 31, 2013
As Reported [Member]
Dec. 31, 2012
As Reported [Member]
Sep. 30, 2012
As Reported [Member]
Jun. 30, 2012
As Reported [Member]
Mar. 31, 2012
As Reported [Member]
Dec. 31, 2011
As Reported [Member]
Sep. 30, 2011
As Reported [Member]
Jun. 30, 2011
As Reported [Member]
Sep. 30, 2012
As Reported [Member]
Sep. 30, 2011
As Reported [Member]
Mar. 31, 2013
As Reported [Member]
Mar. 31, 2012
As Reported [Member]
Mar. 31, 2011
As Reported [Member]
Mar. 31, 2013
As Revised [Member]
Dec. 31, 2012
As Revised [Member]
Sep. 30, 2012
As Revised [Member]
Jun. 30, 2012
As Revised [Member]
Mar. 31, 2012
As Revised [Member]
Dec. 31, 2011
As Revised [Member]
Sep. 30, 2011
As Revised [Member]
Jun. 30, 2011
As Revised [Member]
Sep. 30, 2012
As Revised [Member]
Sep. 30, 2011
As Revised [Member]
Mar. 31, 2013
As Revised [Member]
Mar. 31, 2012
As Revised [Member]
Mar. 31, 2011
As Revised [Member]
Error Corrections And Prior Period Adjustments Revisions [Line Items]                                                            
Product revenue $ 84,707 $ 100,041 $ 170,676 $ 193,826 $ 92,648 $ 112,517 $ 100,067 $ 93,811 $ 109,865 $ 124,081 $ 115,126 $ 102,268 $ 193,878 $ 217,394 $ 399,043 $ 451,340 $ 456,903 $ 92,621 $ 112,490 $ 100,041 $ 93,785 $ 109,897 $ 124,113 $ 115,158 $ 102,300 $ 193,826 $ 217,458 $ 398,937 $ 451,468 $ 457,505
Royalty revenue 10,529 11,562 36,037 22,543         14,031 14,049 14,015 14,571   28,586 44,492 56,666 64,272         14,031 14,049 14,015 14,059   28,074 44,492 56,154 64,784
Total revenue 131,430 147,314 279,399 288,167 139,958 159,395 147,340 140,879 160,304 173,492 165,039 153,535 288,219 318,574 587,572 652,370 672,270 139,931 159,368 147,314 140,853 160,336 173,524 165,071 153,055 288,167 318,126 587,466 651,986 673,384
Cost of service revenue 17,116 20,232 36,347 40,536 19,721 19,360 20,232 20,334 22,727 22,537 21,129 22,066 40,566 43,195 79,647 88,459 94,311 19,708 19,360 20,232 20,304 22,722 22,548 21,132 22,064 40,536 43,196 79,604 88,466 94,311
Total cost of revenue 75,087 88,116 153,101 173,170 82,354 91,367 88,116 85,084 95,059 99,775 93,428 90,273 173,200 183,701 346,921 378,535 389,288 82,341 91,367 88,116 85,054 95,054 99,786 93,431 90,271 173,170 183,702 346,878 378,542 389,288
Gross margin 56,343 59,198 126,298 114,997 57,604 68,028 59,224 55,795 65,245 73,717 71,611 63,262 115,019 134,873 240,651 273,835 282,982 57,590 68,001 59,198 55,799 65,282 73,738 71,640 62,784 114,997 134,424 240,588 273,444 284,096
Sales and marketing 29,995 34,441 60,153 68,885 33,734 33,588 34,441 35,278 35,948 33,350 31,115 30,525 69,719 61,640 137,041 130,938 122,768 34,400 33,588 34,441 34,444 36,069 33,736 31,171 30,263 68,885 61,434 136,873 131,239 122,767
Total operating expenses 61,375 69,195 125,483 138,968 69,893 73,656 69,195 70,607 72,251 66,738 66,211 64,943 139,802 131,154 283,351 270,143 258,278 70,559 73,656 69,195 69,773 72,372 67,124 66,267 64,681 138,968 130,948 283,183 270,444 258,277
Income (loss) from operations (5,032) (9,997) 815 (23,971) (12,289) (5,628) (9,971) (14,812) (7,006) 6,979 6,900 (1,681) (24,783) 5,219 (42,700) 5,192 24,704 (12,969) (5,655) (9,997) (13,974) (7,090) 6,614 6,873 (1,897) (23,971) 4,976 (42,595) 4,500 25,819
Income (loss) before income taxes (7,426) (11,924) (3,643) (28,085) (14,563) (7,798) (11,898) (16,999) (11,587) 4,387 3,866 (4,588) (28,897) (722) (51,258) (7,922) 4,554 (15,243) (7,825) (11,924) (16,161) (11,671) 4,022 3,839 (4,804) (28,085) (965) (51,153) (8,614) 5,669
Net income (loss) $ (7,960) $ (12,294) $ (4,567) $ (28,954) $ (14,507) $ (8,146) $ (12,268) $ (17,498) $ (11,058) $ 3,914 $ 3,561 $ (5,226) $ (29,766) $ (1,665) $ (52,419) $ (8,809) $ 4,541 $ (15,187) $ (8,173) $ (12,294) $ (16,660) $ (11,142) $ 3,549 $ 3,534 $ (5,442) $ (28,954) $ (1,908) $ (52,314) $ (9,501) $ 5,656
Diluted net income (loss) per share         $ (0.06) $ (0.04) $ (0.05) $ (0.07) $ (0.05) $ 0.02 $ 0.01 $ (0.02) $ (0.12) $ (0.01) $ (0.22) $ (0.04) $ 0.02 $ (0.06) $ (0.04) $ (0.05) $ (0.07) $ (0.05) $ 0.02 $ 0.01 $ (0.02) $ (0.12) $ (0.01) $ (0.22) $ (0.04) $ 0.02