The following are the major deferred tax assets recognised by the Company and movements thereon during the current and prior reporting period.

Retirement benefit obligations
Other timing differences
At 1 January 20150.21.01.2
Credit to profit or loss(0.7)(0.7)
Credit to other comprehensive income0.30.3
At 1 January 20160.50.30.8
Charge to profit or loss(0.6)(0.6)
Credit to other comprehensive income0.70.7
At 31 December 20160.60.30.9

Deferred tax assets and liabilities are offset where the Company has a legally enforceable right to do so. The following is the analysis of the deferred tax balances (after offset) for financial reporting purposes:

Deferred tax assets0.90.8