Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Operating activities
Net earnings (loss)	$ 20.8	$ (14.5)
Adjustments to reconcile net earnings (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	28.7	28.8
Unrealized loss (gain) on currency translation of intercompany advances	3.2	(5.0)
Amortization of deferred financing costs	1.7	1.6
Loss on debt extinguishment	0.7	25.2
Non-cash stock-based compensation expense	5.9	4.3
Deferred income taxes	1.5	2.0
Changes in assets and liabilities:
Accounts receivable	(8.5)	(16.2)
Inventories	(29.9)	(34.8)
Prepaid and other current assets	(1.5)	(0.5)
Accounts payable	5.7	7.3
Advanced billings and deposits	1.2	9.3
Other current liabilities	(6.5)	(11.6)
Other noncurrent assets	(0.3)	1.0
Other noncurrent accrued liabilities	(0.6)	1.7
Net cash provided by (used in) operating activities	22.1	(1.4)
Investing activities
Purchases of property and equipment	(15.9)	(25.0)
Proceeds from disposals of property and equipment	8.5	3.5
Net cash used in investing activities	(7.4)	(21.5)
Financing activities
Proceeds from issuance of long-term debt (original maturities longer than 90 days)	0.0	1,010.4
Payments on long-term debt and capital lease obligations (original maturities longer than 90 days)	(50.0)	(1,014.7)
Net decrease in short-term borrowings (original maturities of 90 days or less)	(0.4)	(0.3)
Premium paid on debt redemption	0.0	(18.0)
Proceeds from exercise of stock options	3.9	3.2
Sale Leaseback Transaction, Net Proceeds, Financing Activities	0.0	10.9
Debt issuance costs	(0.7)	(9.6)
Net cash used in financing activities	(47.2)	(18.1)
Effect of exchange rate changes on cash	(4.6)	4.9
Decrease in cash and cash equivalents	(37.1)	(36.1)
Cash and cash equivalents at beginning of period	187.9	130.2
Cash and cash equivalents at end of period	$ 150.8	$ 94.1