Condensed Consolidating Financial Statements - Statement of Cash Flows (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 27, 2015	Sep. 28, 2014
Condensed Financial Statements, Captions [Line Items]
Net cash provided by (used in) operating activities from continuing operations	$ (23.4)	$ (14.9)
Investing activities:
Cash paid for acquisitions, net of cash acquired	0.0	(2.6)
Investment in affiliated companies	0.0	0.0
Change in restricted cash	4.7	(0.1)
Proceeds from sale of assets	0.9
Capital expenditures	(8.1)	(8.4)
Net cash used in investing activities from continuing operations	(2.5)	(11.1)
Financing activities:
Proceeds from the issuance of long-term debt	0.0	618.5
Extinguishment of long-term debt	(175.0)	(661.5)
Repayment of debt	(41.7)	(0.7)
Debt issuance costs	0.0	(8.5)
Credit agreement borrowings	0.0	41.0
Proceeds from the sale of employee stock purchase plan shares	4.0	3.9
Financing from affiliated companies	0.0	0.0
Deferred acquisition payments	(0.7)	0.0
Other, net	(0.5)	(0.6)
Net cash used in financing activities from continuing operations	(213.9)	(7.9)
Net cash flows of continuing operations	(239.8)	(33.9)
Net operating cash flows of discontinued operations	1.9	(3.1)
Net investing cash flows of discontinued operations	240.3	(1.0)
Effect of exchange rate changes on cash and cash equivalents	(0.1)	(0.1)
Net increase (decrease) in cash and cash equivalents	2.3	(38.1)
Parent Company
Condensed Financial Statements, Captions [Line Items]
Net cash provided by (used in) operating activities from continuing operations	3.8	(31.1)
Investing activities:
Cash paid for acquisitions, net of cash acquired	0.0	0.0
Investment in affiliated companies	(29.9)	0.0
Change in restricted cash	0.0	0.0
Proceeds from sale of assets	0.0
Capital expenditures	(0.5)	(0.6)
Net cash used in investing activities from continuing operations	(30.4)	(0.6)
Financing activities:
Proceeds from the issuance of long-term debt		618.5
Extinguishment of long-term debt	(175.0)	(661.5)
Repayment of debt	(41.0)	0.0
Debt issuance costs		(8.5)
Credit agreement borrowings		41.0
Proceeds from the sale of employee stock purchase plan shares	4.0	3.9
Financing from affiliated companies	0.0	9.9
Deferred acquisition payments	0.0
Other, net	(0.5)	(0.6)
Net cash used in financing activities from continuing operations	(212.5)	2.7
Net cash flows of continuing operations	(239.1)	(29.0)
Net operating cash flows of discontinued operations	0.0	0.0
Net investing cash flows of discontinued operations	241.0	0.0
Effect of exchange rate changes on cash and cash equivalents	0.0	0.0
Net increase (decrease) in cash and cash equivalents	1.9	(29.0)
Subsidiary Guarantors on a Combined Basis
Condensed Financial Statements, Captions [Line Items]
Net cash provided by (used in) operating activities from continuing operations	(28.9)	20.9
Investing activities:
Cash paid for acquisitions, net of cash acquired	0.0	(2.6)
Investment in affiliated companies	0.0	(9.9)
Change in restricted cash	4.7	(0.1)
Proceeds from sale of assets	0.9
Capital expenditures	(7.1)	(7.0)
Net cash used in investing activities from continuing operations	(1.5)	(19.6)
Financing activities:
Proceeds from the issuance of long-term debt		0.0
Extinguishment of long-term debt	0.0	0.0
Repayment of debt	0.0	0.0
Debt issuance costs		0.0
Credit agreement borrowings		0.0
Proceeds from the sale of employee stock purchase plan shares	0.0	0.0
Financing from affiliated companies	29.9	0.0
Deferred acquisition payments	(0.7)
Other, net	0.0	0.0
Net cash used in financing activities from continuing operations	29.2	0.0
Net cash flows of continuing operations	(1.2)	1.3
Net operating cash flows of discontinued operations	2.2	(2.7)
Net investing cash flows of discontinued operations	(0.4)	(0.8)
Effect of exchange rate changes on cash and cash equivalents	0.0	0.0
Net increase (decrease) in cash and cash equivalents	0.6	(2.2)
Non-Guarantors on a Combined Basis
Condensed Financial Statements, Captions [Line Items]
Net cash provided by (used in) operating activities from continuing operations	1.7	(4.7)
Investing activities:
Cash paid for acquisitions, net of cash acquired	0.0	0.0
Investment in affiliated companies	0.0	0.0
Change in restricted cash	0.0	0.0
Proceeds from sale of assets	0.0
Capital expenditures	(0.5)	(0.8)
Net cash used in investing activities from continuing operations	(0.5)	(0.8)
Financing activities:
Proceeds from the issuance of long-term debt		0.0
Extinguishment of long-term debt	0.0	0.0
Repayment of debt	(0.7)	(0.7)
Debt issuance costs		0.0
Credit agreement borrowings		0.0
Proceeds from the sale of employee stock purchase plan shares	0.0	0.0
Financing from affiliated companies	0.0	0.0
Deferred acquisition payments	0.0
Other, net	0.0	0.0
Net cash used in financing activities from continuing operations	(0.7)	(0.7)
Net cash flows of continuing operations	0.5	(6.2)
Net operating cash flows of discontinued operations	(0.3)	(0.4)
Net investing cash flows of discontinued operations	(0.3)	(0.2)
Effect of exchange rate changes on cash and cash equivalents	(0.1)	(0.1)
Net increase (decrease) in cash and cash equivalents	(0.2)	(6.9)
Eliminations
Condensed Financial Statements, Captions [Line Items]
Net cash provided by (used in) operating activities from continuing operations	0.0	0.0
Investing activities:
Cash paid for acquisitions, net of cash acquired	0.0	0.0
Investment in affiliated companies	29.9	9.9
Change in restricted cash	0.0	0.0
Proceeds from sale of assets	0.0
Capital expenditures	0.0	0.0
Net cash used in investing activities from continuing operations	29.9	9.9
Financing activities:
Proceeds from the issuance of long-term debt		0.0
Extinguishment of long-term debt	0.0	0.0
Repayment of debt	0.0	0.0
Debt issuance costs		0.0
Credit agreement borrowings		0.0
Proceeds from the sale of employee stock purchase plan shares	0.0	0.0
Financing from affiliated companies	(29.9)	(9.9)
Deferred acquisition payments	0.0
Other, net	0.0	0.0
Net cash used in financing activities from continuing operations	(29.9)	(9.9)
Net cash flows of continuing operations	0.0	0.0
Net operating cash flows of discontinued operations	0.0	0.0
Net investing cash flows of discontinued operations	0.0	0.0
Effect of exchange rate changes on cash and cash equivalents	0.0	0.0
Net increase (decrease) in cash and cash equivalents	$ 0.0	$ 0.0