Parker Wellbore Registration of securities issued in business combination transactions

Income Taxes - Summary of Income Tax Expense (Benefit) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current:
Federal			$ (3,658)	$ 7,791	$ 17,168
State			1,968	733	1,264
Foreign			14,599	9,518	15,176
Deferred:
Federal			10,720	15,612	(46,694)
State			2,820	4,296	1,864
Foreign			(841)	(4,071)	(3,545)
Total income tax expense (benefit)	$ (8,623)	$ (1,504)	$ 25,608	$ 33,879	$ (14,767)

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.