Guarantor Condensed Consolidating Financial Statements - Statements of Cash Flows (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 57.5	$ 55.1
Non-cash Items Included in Net Income:
Depreciation and Amortization	70.7	68.1
Deferred Income Taxes	28.9	29.9
Amount of Postretirement Expense Less Than Funding	(6.7)	(8.1)
Equity in Net Earnings of Subsidiaries	0.0	0.0
Gain on the Sale of Assets		0.0
Other, Net	12.8	10.7
Changes in Operating Assets and Liabilities	(104.8)	(128.0)
Net Cash Provided by Operating Activities	58.4	27.7
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital Spending	(99.0)	(57.2)
Packaging Machinery Spending	(4.0)	(3.5)
Acquisition of Businesses, Net of Cash Acquired	(288.5)	(116.6)
Other, Net	(1.4)	(0.1)
Net Cash Provided by (Used in) Investing Activities	(392.9)	(177.4)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repurchase of Common Stock	(43.5)	(4.0)
Payments on Debt	(6.3)	(6.3)
Borrowings under Revolving Credit Facilities	552.5	396.7
Payments on Revolving Credit Facilities	(122.4)	(251.3)
Dividends Paid	(16.3)	0.0
Repurchase of Common Stock related to Share-Based Payments	(10.4)	(20.1)
Other, Net	(0.3)	0.0
Net Cash (Used in) Provided by Financing Activities	353.3	115.0
Effect of Exchange Rate Changes on Cash	1.9	(3.5)
Net Increase (Decrease) in Cash and Cash Equivalents	20.7	(38.2)
Cash and Cash Equivalents at Beginning of Period	54.9	81.6
CASH AND CASH EQUIVALENTS AT END OF PERIOD	75.6	43.4
Reportable Legal Entities | Parent
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	57.5	55.1
Non-cash Items Included in Net Income:
Depreciation and Amortization	0.0	0.0
Deferred Income Taxes	0.0	0.0
Amount of Postretirement Expense Less Than Funding	0.0	0.0
Equity in Net Earnings of Subsidiaries	(57.5)	(55.1)
Gain on the Sale of Assets		0.0
Other, Net	0.0	0.0
Changes in Operating Assets and Liabilities	0.0	0.0
Net Cash Provided by Operating Activities	0.0	0.0
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital Spending	0.0	0.0
Packaging Machinery Spending	0.0	0.0
Acquisition of Businesses, Net of Cash Acquired	0.0	0.0
Other, Net	70.2	24.1
Net Cash Provided by (Used in) Investing Activities	70.2	24.1
CASH FLOWS FROM FINANCING ACTIVITIES:
Repurchase of Common Stock	(43.5)	(4.0)
Payments on Debt	0.0	0.0
Borrowings under Revolving Credit Facilities	0.0	0.0
Payments on Revolving Credit Facilities	0.0	0.0
Dividends Paid	(16.3)
Repurchase of Common Stock related to Share-Based Payments	(10.4)	(20.1)
Other, Net	0.0	0.0
Net Cash (Used in) Provided by Financing Activities	(70.2)	(24.1)
Effect of Exchange Rate Changes on Cash	0.0	0.0
Net Increase (Decrease) in Cash and Cash Equivalents	0.0	0.0
Cash and Cash Equivalents at Beginning of Period	0.0	0.0
CASH AND CASH EQUIVALENTS AT END OF PERIOD	0.0	0.0
Reportable Legal Entities | Subsidiary Issuer
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	57.5	55.1
Non-cash Items Included in Net Income:
Depreciation and Amortization	59.3	55.4
Deferred Income Taxes	29.3	26.5
Amount of Postretirement Expense Less Than Funding	(5.4)	(4.7)
Equity in Net Earnings of Subsidiaries	(9.4)	(7.4)
Gain on the Sale of Assets		0.0
Other, Net	12.8	11.6
Changes in Operating Assets and Liabilities	(113.2)	(12.7)
Net Cash Provided by Operating Activities	30.9	123.8
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital Spending	(80.0)	(48.1)
Packaging Machinery Spending	(4.0)	(3.5)
Acquisition of Businesses, Net of Cash Acquired	(205.4)	(80.1)
Other, Net	(84.6)	(0.1)
Net Cash Provided by (Used in) Investing Activities	(374.0)	(131.8)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repurchase of Common Stock	0.0	0.0
Payments on Debt	(6.3)	(6.3)
Borrowings under Revolving Credit Facilities	528.9	276.1
Payments on Revolving Credit Facilities	(108.6)	(241.4)
Dividends Paid	0.0
Repurchase of Common Stock related to Share-Based Payments	0.0	0.0
Other, Net	(42.2)	(24.1)
Net Cash (Used in) Provided by Financing Activities	371.8	4.3
Effect of Exchange Rate Changes on Cash	0.0	0.0
Net Increase (Decrease) in Cash and Cash Equivalents	28.7	(3.7)
Cash and Cash Equivalents at Beginning of Period	0.1	2.0
CASH AND CASH EQUIVALENTS AT END OF PERIOD	28.8	(1.7)
Reportable Legal Entities | Combined Guarantor Subsidiaries
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	(1.0)	0.2
Non-cash Items Included in Net Income:
Depreciation and Amortization	0.9	0.5
Deferred Income Taxes	1.0	(0.2)
Amount of Postretirement Expense Less Than Funding	0.0	0.0
Equity in Net Earnings of Subsidiaries	2.6	(1.7)
Gain on the Sale of Assets		0.0
Other, Net	0.0	0.0
Changes in Operating Assets and Liabilities	4.1	3.9
Net Cash Provided by Operating Activities	7.6	2.7
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital Spending	0.0	(0.1)
Packaging Machinery Spending	$ 0.0	0.0
Acquisition of Businesses, Net of Cash Acquired		0.0
Other, Net	$ 0.1	0.0
Net Cash Provided by (Used in) Investing Activities	0.1	(0.1)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repurchase of Common Stock	0.0	0.0
Payments on Debt	0.0	0.0
Borrowings under Revolving Credit Facilities	0.0	0.0
Payments on Revolving Credit Facilities	0.0	0.0
Dividends Paid	0.0
Repurchase of Common Stock related to Share-Based Payments	0.0	0.0
Other, Net	0.0	0.0
Net Cash (Used in) Provided by Financing Activities	0.0	0.0
Effect of Exchange Rate Changes on Cash	0.0	0.0
Net Increase (Decrease) in Cash and Cash Equivalents	7.7	2.6
Cash and Cash Equivalents at Beginning of Period	0.0	0.0
CASH AND CASH EQUIVALENTS AT END OF PERIOD	7.7	2.6
Reportable Legal Entities | Combined Nonguarantor Subsidiaries
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	7.8	8.9
Non-cash Items Included in Net Income:
Depreciation and Amortization	10.5	12.2
Deferred Income Taxes	(1.4)	3.6
Amount of Postretirement Expense Less Than Funding	(1.3)	(3.4)
Equity in Net Earnings of Subsidiaries	0.0	0.0
Gain on the Sale of Assets		0.0
Other, Net	0.0	(0.9)
Changes in Operating Assets and Liabilities	4.3	(119.2)
Net Cash Provided by Operating Activities	19.9	(98.8)
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital Spending	(19.0)	(9.0)
Packaging Machinery Spending	0.0	0.0
Acquisition of Businesses, Net of Cash Acquired	(83.1)	(36.5)
Other, Net	0.0	0.0
Net Cash Provided by (Used in) Investing Activities	(102.1)	(45.5)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repurchase of Common Stock	0.0	0.0
Payments on Debt	0.0	0.0
Borrowings under Revolving Credit Facilities	23.6	120.6
Payments on Revolving Credit Facilities	(13.8)	(9.9)
Dividends Paid	0.0
Repurchase of Common Stock related to Share-Based Payments	0.0	0.0
Other, Net	54.8	0.0
Net Cash (Used in) Provided by Financing Activities	64.6	110.7
Effect of Exchange Rate Changes on Cash	1.9	(3.5)
Net Increase (Decrease) in Cash and Cash Equivalents	(15.7)	(37.1)
Cash and Cash Equivalents at Beginning of Period	54.8	79.6
CASH AND CASH EQUIVALENTS AT END OF PERIOD	39.1	42.5
Consolidating Eliminations
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	(64.3)	(64.2)
Non-cash Items Included in Net Income:
Depreciation and Amortization	0.0	0.0
Deferred Income Taxes	0.0	0.0
Amount of Postretirement Expense Less Than Funding	0.0	0.0
Equity in Net Earnings of Subsidiaries	64.3	64.2
Gain on the Sale of Assets		0.0
Other, Net	0.0	0.0
Changes in Operating Assets and Liabilities	0.0	0.0
Net Cash Provided by Operating Activities	0.0	0.0
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital Spending	0.0	0.0
Packaging Machinery Spending	0.0	0.0
Acquisition of Businesses, Net of Cash Acquired	0.0	0.0
Other, Net	12.9	(24.1)
Net Cash Provided by (Used in) Investing Activities	12.9	(24.1)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repurchase of Common Stock	0.0	0.0
Payments on Debt	0.0	0.0
Borrowings under Revolving Credit Facilities	0.0	0.0
Payments on Revolving Credit Facilities	0.0	0.0
Dividends Paid	0.0
Repurchase of Common Stock related to Share-Based Payments	0.0	0.0
Other, Net	(12.9)	24.1
Net Cash (Used in) Provided by Financing Activities	(12.9)	24.1
Effect of Exchange Rate Changes on Cash	0.0	0.0
Net Increase (Decrease) in Cash and Cash Equivalents	0.0	0.0
Cash and Cash Equivalents at Beginning of Period	0.0	0.0
CASH AND CASH EQUIVALENTS AT END OF PERIOD	$ 0.0	$ 0.0