Consolidated Statements of Operations and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2013
Revenues	$ 4,171,248	$ 3,911,602	$ 2,674,299
Cost of revenues	3,269,270	3,081,837	2,133,300
Selling, general and administrative	455,108	432,516	339,932
Total	3,724,378	3,514,353	2,473,232
Income from operations	446,870	397,249	201,067
Other:
Income (loss) from unconsolidated entities	21,119	41,141	14,392
Other income - net	67,573	66,192	52,238
Income before income taxes	535,562	504,582	267,697
Income tax provision	172,395	164,550	97,091
Net income	363,167	340,032	170,606
Other comprehensive (loss) income, net of tax:
Change in pension liability	311	(677)	2,334
Change in fair value of available-for-sale securities	2	3	(186)
Change in unrealized income (loss) on derivative held by equity investee	16	223	284
Other comprehensive (loss) income	329	(451)	2,432
Total comprehensive income	$ 363,496	$ 339,581	$ 173,038
Income per share:
Basic	$ 2.06	$ 1.91	$ 1.01
Diluted	$ 1.97	$ 1.84	$ 0.97
Weighted average number of shares:
Basic	176,425	177,578	169,288
Diluted	184,703	185,875	177,963