Background and Basis of Presentation (Tables)

3 Months Ended

Mar. 31, 2017

Accounting Policies [Abstract]

Summary of Activity in Product Warranty Accrual, Included in Other Accrued Liabilities

The following table summarizes the activity in the product warranty accrual, included in other accrued liabilities:

	Three Months Ended
	March 31,
	2017			2016
Product warranty accrual, beginning of period	$	21,631		$	17,964
Provision for warranty claims		2,202			2,051
Warranty claims paid		(3,618	)		(2,104	)
Foreign exchange		(35	)		(222	)
Product warranty accrual, end of period	$	20,180		$	17,689

Summary of Earnings, Weighted Average Common Shares and Potential Common Shares Outstanding

The following table presents the basis for the earnings per share computations (in thousands, except per share data):

	Three Months Ended
	March 31,
	2017		2016
Numerator:
Net income for basic and diluted earnings per share	$	33,562	$	12,580
Denominator:
Weighted average common shares outstanding - basic		194,068		191,642
Dilutive effect of equity-based awards		5,072		3,814
Weighted average common shares outstanding - diluted		199,140		195,456
Earnings per share:
Basic	$	0.17	$	0.07
Diluted	$	0.17	$	0.06