Consolidated Quarterly Statements of Operations (Detail) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2018 |
[1],[2] | Sep. 30, 2018 |
[2],[3] | Jul. 01, 2018 |
[2],[4] | Apr. 01, 2018 |
[5] | Dec. 31, 2017 |
[6],[7] | Oct. 01, 2017 |
[7],[8] | Jul. 02, 2017 |
[7],[9] | Apr. 02, 2017 |
[10] | Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|||||||||||||||||||||
Quarterly Financial Information [Line Items] | |||||||||||||||||||||||||||||||||||||||
Total revenues | $ 519,558 | $ 566,848 | $ 526,929 | $ 487,467 | $ 479,415 | $ 503,378 | $ 696,901 | $ 456,913 | $ 2,100,802 | $ 2,136,606 | $ 1,753,250 | ||||||||||||||||||||||||||||
Total cost of revenues (exclusive of acquired intangible assets amortization shown separately below) | 210,023 | 233,155 | 219,595 | 217,635 | 208,485 | 208,509 | 306,263 | 191,897 | 880,408 | 915,153 | 794,642 | ||||||||||||||||||||||||||||
Gross profit | 309,535 | 333,693 | 307,334 | 269,832 | 270,930 | 294,869 | 390,638 | 265,016 | 1,220,394 | 1,221,453 | 958,608 | ||||||||||||||||||||||||||||
Selling and administrative | 100,552 | 100,202 | 99,410 | 90,505 | 87,880 | 86,130 | 90,111 | 84,792 | 390,669 | 348,913 | 316,544 | ||||||||||||||||||||||||||||
Engineering and development | 74,706 | 77,049 | 75,342 | 74,408 | 72,070 | 76,986 | 82,270 | 75,978 | 301,505 | 307,305 | 292,159 | ||||||||||||||||||||||||||||
Acquired intangible assets amortization | 10,558 | 11,142 | 9,793 | 7,698 | 7,384 | 7,028 | 8,166 | 7,952 | 39,191 | 30,530 | 52,648 | ||||||||||||||||||||||||||||
Restructuring and other | 11,446 | 1,710 | 2,389 | (313) | 8,970 | (4,407) | 2,288 | 2,511 | 15,232 | 9,362 | 21,942 | ||||||||||||||||||||||||||||
Total operating expenses | 197,262 | 190,103 | 186,934 | 172,298 | 176,304 | 165,737 | 182,835 | 171,233 | 746,597 | 696,110 | 1,021,578 | ||||||||||||||||||||||||||||
Income (loss) from operations | 112,273 | 143,590 | 120,400 | 97,534 | 94,626 | 129,132 | 207,803 | 93,783 | 473,797 | 525,343 | (62,970) | ||||||||||||||||||||||||||||
Interest income | (9,083) | (6,213) | (5,427) | (5,981) | (6,476) | (4,517) | (3,292) | (3,520) | (26,704) | (17,805) | (9,296) | ||||||||||||||||||||||||||||
Interest expense | 13,182 | 5,557 | 5,639 | 6,890 | 5,380 | 5,372 | 5,509 | 5,402 | 31,269 | 21,663 | 3,637 | ||||||||||||||||||||||||||||
Other (income) expense, net | (2,954) | 3,405 | 176 | 805 | (2,362) | 840 | (1,291) | (115) | 1,431 | (2,927) | (2,251) | ||||||||||||||||||||||||||||
Income (loss) before income taxes | 111,128 | 140,841 | 120,012 | 95,820 | 98,084 | 127,437 | 206,877 | 92,016 | 467,801 | 524,412 | (55,060) | ||||||||||||||||||||||||||||
Income tax provision (benefit) | (32,662) | 20,863 | 18,975 | 8,846 | 204,007 | 24,017 | 31,901 | 6,795 | 16,022 | 266,720 | (11,639) | ||||||||||||||||||||||||||||
Net income (loss) | $ 143,790 | $ 119,978 | $ 101,037 | $ 86,974 | $ (105,923) | $ 103,420 | $ 174,976 | $ 85,221 | $ 451,779 | $ 257,692 | $ (43,421) | ||||||||||||||||||||||||||||
Net income (loss) per common share-basic | $ 0.80 | $ 0.65 | $ 0.53 | $ 0.45 | $ (0.54) | $ 0.52 | $ 0.88 | $ 0.43 | $ 2.41 | $ 1.30 | $ (0.21) | ||||||||||||||||||||||||||||
Net income (loss) per common share-diluted | 0.79 | 0.63 | 0.52 | 0.43 | (0.54) | 0.52 | 0.87 | 0.42 | 2.35 | 1.28 | (0.21) | ||||||||||||||||||||||||||||
Cash dividend declared per common share | $ 0.09 | $ 0.09 | $ 0.09 | $ 0.09 | $ 0.07 | $ 0.07 | $ 0.07 | $ 0.07 | $ 0.36 | $ 0.28 | $ 0.24 | ||||||||||||||||||||||||||||
Product [Member] | |||||||||||||||||||||||||||||||||||||||
Quarterly Financial Information [Line Items] | |||||||||||||||||||||||||||||||||||||||
Total revenues | $ 420,652 | $ 470,994 | $ 434,051 | $ 403,925 | $ 388,282 | $ 412,854 | $ 610,356 | $ 373,204 | $ 1,729,621 | $ 1,784,695 | $ 1,453,248 | ||||||||||||||||||||||||||||
Total cost of revenues (exclusive of acquired intangible assets amortization shown separately below) | 170,064 | 195,339 | 180,777 | 180,958 | 168,672 | 169,661 | 267,752 | 154,883 | 727,138 | 760,967 | 660,056 | ||||||||||||||||||||||||||||
Service [Member] | |||||||||||||||||||||||||||||||||||||||
Quarterly Financial Information [Line Items] | |||||||||||||||||||||||||||||||||||||||
Total revenues | 98,906 | 95,854 | 92,878 | 83,542 | 91,133 | 90,524 | 86,545 | 83,709 | 371,181 | 351,911 | 300,002 | ||||||||||||||||||||||||||||
Total cost of revenues (exclusive of acquired intangible assets amortization shown separately below) | $ 39,959 | $ 37,816 | $ 38,818 | $ 36,677 | $ 39,813 | $ 38,848 | $ 38,511 | $ 37,014 | $ 153,270 | $ 154,186 | $ 134,586 | ||||||||||||||||||||||||||||
|