Note 18. Earnings (Loss) Per Share

The computations of basic and diluted loss per share are as follows.

	For the Three Month Period Ended September 30,				For the Nine Month Period Ended September 30,
	2018		2017		2018		2017
Net income (loss)	$	72.2	$	28.0	$	174.9	$	(125.1	)
Less: Net income attributable to noncontrolling interests		-		-		-		0.1
Net income (loss) attributable to Gardner Denver Holdings, Inc.	$	72.2	$	28.0	$	174.9	$	(125.2	)
Average shares outstanding:
Basic		201.9		201.3		201.8		175.7
Diluted		209.1		208.1		209.6		175.7
Income (loss) per share:
Basic	$	0.36	$	0.14	$	0.87	$	(0.71	)
Diluted	$	0.35	$	0.13	$	0.83	$	(0.71	)

The DSUs described in Note 15, "Stock-Based Compensation" of the Consolidated Financial Statements in the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2017 are considered outstanding shares for the purpose of computing basic earnings (loss) per share because they will become issued solely upon the passage of time.

As of September 30, 2018, there was 0.8 million anti-dilutive shares that were not included in the computation of diluted earnings per share. For the nine month period ended September 30, 2017, there was 12.3 million of potentially dilutive stock-based awards that were not included in the computation of diluted loss per share because their inclusion would be anti-dilutive.