Subsequent Events (Details) (USD $)	3 Months Ended		0 Months Ended		0 Months Ended							0 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Apr. 16, 2014 National Pump Subsequent Event Locations	Apr. 16, 2014 Western Canada National Pump Subsequent Event Locations	Apr. 16, 2014 Adjusted EBITDA 12 Months Post-Closing National Pump Subsequent Event	Apr. 16, 2014 Adjusted EBITDA 18 Months Post-Closing National Pump Subsequent Event	Mar. 31, 2014 6 1/8 percent Senior Notes	Mar. 31, 2014 Add-on to 6 1/8 percent Senior Notes	Mar. 31, 2014 5 3/4 percent Senior Notes	Mar. 31, 2014 9 1/4 percent Senior Notes	Apr. 16, 2014 9 1/4 percent Senior Notes Subsequent Event	Apr. 16, 2014 Interest Expense 9 1/4 percent Senior Notes Subsequent Event
Subsequent Event [Line Items]
Number of rental locations			35	4
Original equipment cost (OEC)			$ 215,000,000
Revenue reported by acquired entity for last annual period			210,000,000
Business combination, consideration transferred			780,000,000
Business combination, cash			765,000,000
Business combination, stock			15,000,000
Maximum payout					75,000,000	50,000,000
Trailing EBITDA period					12 months	12 months
Adjusted EBITDA					134,000,000	161,000,000
Post-closing period					12 months	18 months
Face amount							925,000,000	525,000,000	850,000,000
Stated interest rate	4.00%						6.125%		5.75%	9.25%
Debt redemption, call premium amount											52,000,000
Gain (loss) on extinguishment of debt securities	$ (11,000,000)	$ 0										$ (65,000,000)