Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
OPERATING ACTIVITIES
Net income	$ 70.3	$ 33.0
Reconciliation to net cash provided by operating activities:
Depreciation and amortization	27.0	24.4
Amortization of debt discount and financing costs	2.0	0.0
Stock-based compensation expense	5.0	2.8
Gain on termination and curtailment of pension and other postretirement plans	(2.6)	0.0
Currency and other losses in Venezuela	4.2	73.2
Deferred income taxes	2.2	(7.3)
Excess tax benefits from stock-based compensation	0.0	(2.8)
Loss on disposal of property and equipment	0.5	3.9
Changes in assets and liabilities, excluding effect of currency translation:
Trade accounts receivable	(37.0)	(51.7)
Inventories	(10.9)	(13.2)
Accounts payable	9.4	17.1
Pension assets and liabilities, net	3.4	(0.6)
Other assets and liabilities, net	(0.5)	23.1
Net cash provided by operating activities	73.0	101.9
INVESTING ACTIVITIES
Capital expenditures	(33.3)	(26.2)
Receipt of payment on loan from related party	0.0	40.0
Other investing activities	0.5	0.4
Net cash (used in) provided by investing activities	(32.8)	14.2
FINANCING ACTIVITIES
Borrowings under credit arrangements	294.3	27.6
Repayments under credit arrangements	(30.7)	(41.0)
Borrowings under related party loans	0.0	2.1
Repayments under related party loans	0.0	(5.9)
Proceeds from issuance of bonds	525.0	0.0
Cash paid for debt financing costs	(18.2)	0.0
Share repurchase under GCP 2016 Stock Incentive Plan	(1.8)	0.0
Proceeds from exercise of stock options	3.8	0.0
Excess tax benefits from stock-based compensation	0.0	2.8
Noncontrolling interest dividend	(0.7)	0.0
Transfers to parent, net	(764.6)	(69.6)
Net cash provided by (used in) financing activities	7.1	(84.0)
Effect of currency exchange rate changes on cash and cash equivalents	2.6	(53.1)
Increase (decrease) in cash and cash equivalents	49.9	(21.0)
Cash and cash equivalents, beginning of period	98.6	120.9
Cash and cash equivalents, end of period	$ 148.5	$ 99.9