Basis of Presentation and Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2015

Summary of Significant Accounting Policies (Tables)

Inventories Table

	June 30, 2015		December 31, 2014
	(In Thousands)
Finished goods	$	54,502	$	62,188
Raw materials	3,318		5,005
Parts and supplies	53,282		51,229
Work in progress	70,840		70,935
Total inventories	$	181,942	$	189,357

Weighted Average Shares Outstanding Table

	Three Months Ended   June 30,		Six Months Ended   June 30,
	2015	2014	2015	2014
	(In Thousands)
Number of weighted average common shares outstanding	79,165	78,525	79,037	78,416
Assumed exercise of stock awards	750	—	469	—
Average diluted shares outstanding	79,915	78,525	79,506	78,416

Services and Rentals Revenues Table

	Three Months Ended   June 30,				Six Months Ended   June 30,
	2015		2014		2015		2014
	(In Thousands)
Rental revenue	$	38,242	$	5,995	$	91,017	$	13,511
Cost of rental revenue	$	22,812	$	2,119	$	44,341	$	4,046

Fair Value Measurements on a Recurring Basis Table

				Fair Value Measurements Using
	Total as of			Quoted Prices in Active Markets for Identical Assets or Liabilities	Significant Other Observable Inputs		Significant Unobservable Inputs
Description	June 30, 2015			(Level 1)	(Level 2)		(Level 3)
	(In Thousands)
Asset for foreign currency derivative contracts	$	128		—	128		—
Liability for foreign currency derivative contracts	(145		)	—	(145	)	—
Acquisition contingent consideration liability	—			—	—		—
Net liability	$	(17	)

				Fair Value Measurements Using
	Total as of			Quoted Prices in Active Markets for Identical Assets or Liabilities		Significant Other Observable Inputs		Significant Unobservable Inputs
Description	Dec 31, 2014			(Level 1)		(Level 2)		(Level 3)
	(In Thousands)
Asset for foreign currency derivative contracts	$	—		$	—	—		—
Liability for foreign currency derivative contracts	(174		)	—		(174	)	—
Acquisition contingent consideration liability	—			—		—		—
Net liability	$	(174	)